tag:blogger.com,1999:blog-552168303955635132025-03-27T06:15:08.836+11:00Statisticians do it better p &lt; .05how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comBlogger139125tag:blogger.com,1999:blog-55216830395563513.post-14241397816482214782023-12-31T16:05:00.000+11:002014-03-17T12:28:42.059+11:00<meta http-equiv="refresh" content="0; url=http://www.how2stats.net/p/home.html" /> Click <a href="http://how2stats.blogspot.com/p/home.html">here</a>&nbsp;for the homepage, if you are not re-directed in 3 seconds. how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-4465906803307183082014-11-24T17:36:00.001+11:002014-11-24T17:37:10.541+11:00This is what an actual normal distribution looks like based on randomly sampled data from a computer (N = 10,000). The x-axis and the y-axis were specified to have essentially the same length.<br /> <br /> &nbsp; <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZvS3ofnMoX9GZniTNznIIbStdF-B_2l9oKgwBlmH6IBtKoRWZ8C-gVYS31BwA9fFVtwPelZAijVAWGqEjeD7a93DoQFpU8gySEits7FBzqMvlsBQ4sq8r8xh9_ox3Lcxkp2o0PcTXaw/s1600/normal_distribution_n10000.jpg" imageanchor="1"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZvS3ofnMoX9GZniTNznIIbStdF-B_2l9oKgwBlmH6IBtKoRWZ8C-gVYS31BwA9fFVtwPelZAijVAWGqEjeD7a93DoQFpU8gySEits7FBzqMvlsBQ4sq8r8xh9_ox3Lcxkp2o0PcTXaw/s640/normal_distribution_n10000.jpg" /></a>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-63918469269891607592014-04-06T12:44:00.001+10:002014-04-06T12:44:06.327+10:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <br /> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/8BvlRJeCIaM?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:&nbsp;</b><a href="https://www.youtube.com/watch?v=8BvlRJeCIaM">https://www.youtube.com/watch?v=8BvlRJeCIaM</a><br /> <br /><b>Parts:</b><br /> <br /> <b>See Also:</b>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-66606982956348118882014-04-06T12:17:00.000+10:002014-04-06T12:17:17.054+10:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/qobtGqVBFig?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:</b>&nbsp;<a href="https://www.youtube.com/watch?v=qobtGqVBFig">https://www.youtube.com/watch?v=qobtGqVBFig</a><br /> <br /> <b>Parts:</b><br /> <br /> <b>See Also:</b>&nbsp;What is sphericity?how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-19315067247889835582014-04-03T21:57:00.001+11:002014-04-03T21:58:07.821+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <br /> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/pRa0StUVc4U?feature=player_embedded' frameborder='0'></iframe></div> <br /> Youtube Link:&nbsp;<a href="https://www.youtube.com/watch?v=pRa0StUVc4U">https://www.youtube.com/watch?v=pRa0StUVc4U</a><br /> <br /> Parts: <a href="https://www.youtube.com/watch?v=0-1PNIv3Ev0" target="_blank">Part 2</a><br /> <br /> See Also: <a href="http://www.how2stats.net/2014/04/do-t-test-and-anova-really-assume.html" target="_blank">Do the t-test and ANOVA really assume normality?</a> <a href="http://www.how2stats.net/2014/04/welchs-t-test-spss.html" target="_blank">Welch's t-test - SPSS</a>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-62829655507763962932014-04-03T21:54:00.002+11:002014-04-03T21:54:34.359+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/fl6wgE4Edqw?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:</b>&nbsp;<a href="https://www.youtube.com/watch?v=fl6wgE4Edqw">https://www.youtube.com/watch?v=fl6wgE4Edqw</a><br /> <br /><b>Parts:</b><br /><br /><b>See Also:</b>&nbsp;Do the t-test and ANOVA really assume normality?how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-29941714469611460552014-04-03T21:52:00.000+11:002014-04-03T21:52:32.665+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <br /> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/qKnpiGwNDMk?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:</b>&nbsp;<a href="https://www.youtube.com/watch?v=qKnpiGwNDMk">https://www.youtube.com/watch?v=qKnpiGwNDMk</a><br /> <br /> <b>Parts:</b> <a href="https://www.youtube.com/watch?v=O5OpUAybVOE" target="_blank">Part 2</a><br /> <br /> <b>See Also:</b>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-65114331557331032692014-04-03T21:50:00.001+11:002014-04-03T21:50:13.515+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/yNdlGRz-Z04?feature=player_embedded' frameborder='0'></iframe></div> <br /> Youtube Link:&nbsp;<a href="https://www.youtube.com/watch?v=yNdlGRz-Z04">https://www.youtube.com/watch?v=yNdlGRz-Z04</a><br /> <br /> Parts: <a href="https://www.youtube.com/watch?v=ty6Xn8SOkjw" target="_blank">Part 2</a><br /> <br /> See Also: <a href="https://www.youtube.com/watch?v=pRa0StUVc4U" target="_blank">Do the t-test and ANOVA really assume homogeneity of variance?</a>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-78029579879522953622014-04-03T21:45:00.000+11:002014-04-03T21:45:14.306+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/XXMKWpsonoY?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:</b>&nbsp;<a href="https://www.youtube.com/watch?v=XXMKWpsonoY">https://www.youtube.com/watch?v=XXMKWpsonoY</a><br /> <br /> <b>Parts:</b><br /> <br /> <b>See Also:</b>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-1422785020785262012014-04-03T21:42:00.004+11:002014-04-03T21:42:58.818+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/3azuAaOJack?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:</b>&nbsp;<a href="https://www.youtube.com/watch?v=3azuAaOJack">https://www.youtube.com/watch?v=3azuAaOJack</a><br /> <br /> <b>Parts:</b> <a href="https://www.youtube.com/watch?v=X3xUn40ycyM" target="_blank">Part 2</a><br /> <br /> <b>See Also:</b>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-172193062681842342014-04-03T21:38:00.003+11:002014-04-03T21:38:36.546+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/jkuYsSZu140?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:</b>&nbsp;<a href="https://www.youtube.com/watch?v=jkuYsSZu140">https://www.youtube.com/watch?v=jkuYsSZu140</a><br /> <br /> <b>Parts:</b> <a href="https://www.youtube.com/watch?v=WRj3py4LBOo" target="_blank">Part 2</a><br /> <br /><b>See Also:</b>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-13407354653709784672014-04-03T21:36:00.000+11:002014-04-03T21:36:19.035+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <br /> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/LPOEdtw7Sjo?feature=player_embedded' frameborder='0'></iframe></div> <br /> Youtube Link:&nbsp;<a href="https://www.youtube.com/watch?v=LPOEdtw7Sjo">https://www.youtube.com/watch?v=LPOEdtw7Sjo</a><br /> <br /> Parts: <a href="https://www.youtube.com/watch?v=p2r9NHam4vg" target="_blank">Part 2</a><br /> <br /> See Also: <a href="http://www.how2stats.net/2014/03/independent-samples-t-test-writing-up.html" target="_blank">Independent Samples t-test - Writing-Up Results</a>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-11983677057993098302014-04-03T21:33:00.003+11:002014-04-03T21:33:47.157+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <br /> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/o5IOyr-7tVY?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:</b>&nbsp;<a href="https://www.youtube.com/watch?v=o5IOyr-7tVY">https://www.youtube.com/watch?v=o5IOyr-7tVY</a><br /> <br /> <b>Parts:</b><br /> <br /> <b>See Also:</b>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-73602957889584739292014-04-03T21:27:00.002+11:002014-04-03T21:27:42.720+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/GFoRsdpQLOM?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:</b>&nbsp;<a href="https://www.youtube.com/watch?v=GFoRsdpQLOM">https://www.youtube.com/watch?v=GFoRsdpQLOM</a><br /> <br /><b>Parts:</b><br /> <br /> <b>See Also:</b> <a href="https://www.youtube.com/watch?v=2gHvHm2SE5s" target="_blank">Cronbach's alpha - SPSS</a>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-8777459965630905792014-04-03T21:23:00.004+11:002014-04-03T21:23:32.023+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/u90XkFRcdDU?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:</b>&nbsp;<a href="https://www.youtube.com/watch?v=u90XkFRcdDU">https://www.youtube.com/watch?v=u90XkFRcdDU</a><br /> <br /><b>Parts:</b> <a href="https://www.youtube.com/watch?v=t3WhIdlV6gE" target="_blank">Part 2</a><br /> <br /><b>See Also:</b>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-26518075783037344562014-04-03T21:20:00.000+11:002014-04-03T21:20:00.250+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <br /> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/Ksi9zH5KCGY?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube link:</b>&nbsp;<a href="https://www.youtube.com/watch?v=Ksi9zH5KCGY">https://www.youtube.com/watch?v=Ksi9zH5KCGY</a><br /> <br /> <b>Parts:</b> <a href="https://www.youtube.com/watch?v=cNR6Zm_Incc" target="_blank">Part 2</a><br /> <br /> <b>See Also:</b> <a href="http://www.how2stats.net/2011/10/factor-analysis-spss.html" target="_blank">Factor Analysis - SPSS</a>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-71689278857810788082014-04-03T20:59:00.000+11:002014-04-03T20:59:32.864+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <br /> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/3z3Ou0FGLGI?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:&nbsp;</b><a href="https://www.youtube.com/watch?v=3z3Ou0FGLGI">https://www.youtube.com/watch?v=3z3Ou0FGLGI</a><br /> <br /> <b>Parts:</b>&nbsp;<a href="https://www.youtube.com/watch?v=xDEw1qN-uQQ" target="_blank">Part 2</a><br /> <br /> <b>See Also:</b>&nbsp;<a href="https://www.youtube.com/watch?v=FAjbL6nWEwA" target="_blank">One-Sample z-test - SPSS</a>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-29713953507797090552014-03-17T12:02:00.002+11:002014-03-17T12:04:18.205+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/whp2POapGYM?feature=player_embedded' frameborder='0'></iframe></div> <br /> Youtube Link:&nbsp;<a href="https://www.youtube.com/watch?v=whp2POapGYM">https://www.youtube.com/watch?v=whp2POapGYM</a><br /> <br /> Parts: <a href="https://www.youtube.com/watch?v=5XjLArwN7G8" target="_blank">Part 2</a><br /> <br /> See also: <a href="http://www.how2stats.net/2014/03/one-sample-z-test.html" target="_blank">One-Sample z-test - SPSS</a>; <a href="http://www.how2stats.net/2011/10/independent-samples-t-test-spss.html" target="_blank">independent samples t-test - SPSS</a>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-81139846723778756512014-03-14T21:58:00.005+11:002014-03-14T22:04:34.473+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <br /> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/WA7Ysxd-91E?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Yotube Link:</b>&nbsp;<a href="https://www.youtube.com/watch?v=WA7Ysxd-91E">https://www.youtube.com/watch?v=WA7Ysxd-91E</a><br /> <br /> <b>Parts:</b> <a href="https://www.youtube.com/watch?v=B0aLjkJqpl0" target="_blank">Part 2</a>, <a href="https://www.youtube.com/watch?v=B0aLjkJqpl0" target="_blank">Part 3</a><br /> <br /> <b>See also:</b> <a href="http://how2stats.blogspot.com.au/2011/10/independent-samples-t-test-spss.html" target="_blank">Independent Samples t-test - SPSS</a><br /> <br />how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-54788862165061108772014-03-14T13:08:00.000+11:002014-03-14T13:23:30.664+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <br /> <div> The data for the independent samples t-test (SPSS) demonstrated <a href="http://how2stats.blogspot.com.au/2011/10/independent-samples-t-test-spss.html" target="_blank"><u>here</u></a> can be found below.</div> <div> <br /></div> You can download the SPSS data file by clicking&nbsp;<a href="https://sites.google.com/site/how2statsdata/home/independent_sample_t_test_data1/independent_samples_t_test_smokers_brain_volume.sav?attredirects=0&amp;d=1" target="_blank">here</a>.<br /> <br /> <table border="0" cellpadding="2" cellspacing="0" style="width: 297px;"> <tbody> <tr> <td valign="top" width="145"><div align="center"> 7.3</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 6.5</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 5.2</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 6.3</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 7.0</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 5.9</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 5.2</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 5.0</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 4.7</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 5.7</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 5.7</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 3.3</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 5.0</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 4.6</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 4.8</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 3.8</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 4.6</div> </td> <td valign="top" width="150"><div align="center"> 0</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 4.2</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 4.0</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 2.6</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 4.9</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 4.4</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 4.4</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 5.5</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 5.1</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 5.1</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 3.2</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 3.9</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 3.2</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 4.9</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 4.3</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 4.8</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 2.4</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 5.5</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 5.5</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> <tr> <td valign="top" width="145"><div align="center"> 3.7</div> </td> <td valign="top" width="150"><div align="center"> 1</div> </td></tr> </tbody></table> how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-64836920935970695062014-03-10T18:51:00.003+11:002014-03-10T18:59:51.362+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <br /> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/qrNagh2qGz8?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Parts:</b> <a href="http://how2stats.blogspot.com.au/2014/03/one-sample-z-test.html" target="_blank">Part 1</a><br /> <br /> <b>See also:</b><br /> <br /> <b>Youtube link:</b>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-18573494586367558702014-03-10T15:00:00.001+11:002014-03-10T19:01:27.655+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 770px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <br /> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/FAjbL6nWEwA?feature=player_embedded' frameborder='0'></iframe></div> <br /> <br /> <b>Parts:</b> <a href="http://how2stats.blogspot.com.au/2014/03/one-sample-z-test-part-2.html" target="_blank">Part 2</a><br /> <br /> <b>See also:</b><br /> <br /> <b>Youtube Link:</b>&nbsp;http://www.youtube.com/watch?v=FAjbL6nWEwA<br /> <br /> **syntax created by how2stats<br /> **This syntax performs a one sample z-test in SPSS<br /> **Simply enter the four relevant values in the line below underneath the 'begin data' command<br /> **The first number is the sample size (35), the second number is the sample mean (105),<br /> **the third number is the population mean (100)<br /> **and the fourth number is the population standard deviation (15)<br /> **Replace the four values below with your own.<br /> **The p value that is reported is based on a two-tailed test.<br /> **To obtain the one-tailed p value, simply divide the two-tailed p value by 2.<br /> **As an extra, this syntax also calcuates Cohen's d as estimate of effect size.<br /> <br /> data list list / n sample_mean population_mean population_sd.<br /> begin data<br /> 35 105 100 15<br /> end data.<br /> <br /> Compute mean_difference = sample_mean - population_mean.<br /> Compute square_root_n =SQRT(n).<br /> Compute standard_difference = population_sd/square_root_n.<br /> Compute z_statistic = mean_difference/standard_difference.<br /> Compute chi_square = z_statistic*z_statistic.<br /> Compute p_value = SIG.CHISQ(chi_square, 1).<br /> Compute cohens_d = mean_difference/population_sd.<br /> EXECUTE.<br /> Formats z_statistic p_value cohens_d (f8.5).<br /> LIST z_statistic p_value cohens_d.<br /> <div> <br /></div> how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-10196199495695724792014-03-09T18:50:00.000+11:002014-03-10T18:44:29.617+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 770px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <br /> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/90A0zRqTH4k?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:</b>&nbsp;www.youtube.com/watch?v=90A0zRqTH4k<br /> <br /> <b>Parts:</b> <a href="http://www.youtube.com/watch?v=2QmQzVgMv-Y" target="_blank">Part 2</a><br /> <br /> <b>See also: </b><a href="http://how2stats.blogspot.com.au/2011/06/testing-difference-between-correlated.html" target="_blank">Pitman-Morgan Test Calculator</a><br /> <script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 770px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-90310180654578216722014-03-02T14:42:00.002+11:002014-03-09T18:52:32.560+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 770px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='760' height='540' src='https://www.youtube.com/embed/3no7XNijDbo?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:&nbsp;</b><a href="http://www.youtube.com/watch?v=3no7XNijDbo">http://www.youtube.com/watch?v=3no7XNijDbo</a><br /> <br /> <b>Parts:</b> <a href="http://www.youtube.com/watch?v=GBlAtiJUHrg" target="_blank">Part2</a><br /> <br /> <b>Related:</b> <br /> <b><br /></b>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.comtag:blogger.com,1999:blog-55216830395563513.post-81777299515335651012014-02-28T21:11:00.002+11:002014-03-09T18:22:45.337+11:00<script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- how2stats_crosscol_AdSense1_728x90_as --> <br /> <ins class="adsbygoogle" data-ad-client="ca-pub-0925933309047463" data-ad-slot="4340852439" style="display: inline-block; height: 100px; width: 800px;"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <br /> <div class="separator" style="clear: both; text-align: center;"> <iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='765' height='540' src='https://www.youtube.com/embed/pkM4nXvP5Bo?feature=player_embedded' frameborder='0'></iframe></div> <br /> <b>Youtube Link:&nbsp;</b><a href="http://www.youtube.com/watch?v=pkM4nXvP5Bo">http://www.youtube.com/watch?v=pkM4nXvP5Bo</a><br /> <b><br /></b> <b>Parts:</b>&nbsp;<a href="http://www.youtube.com/watch?v=VHOLF6tyMVc" target="_blank">Part 2</a>, <a href="http://www.youtube.com/watch?v=_usDTllr9cQ" target="_blank">Part 3</a>, <a href="http://www.youtube.com/watch?v=YxPRN4nGO7w" target="_blank">Part 4</a><br /> <br /> <b>See Also:</b>how2statshttp://www.blogger.com/profile/02953222714728121560noreply@blogger.com