<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Dear Yoni,<div><br></div><div>do you mean different *group* sizes (as in 500 patients vs. 100 controls)? Then use the stat fun indepsamplesT.</div><div>If you mean 500 trials vs 100 trials within one subject, you can again use the indepsamplesT-function, but beware! The number of trials can severely influence your signal.</div><div>I personally strongly suggest using the same number of trials and subjects.</div><div><br></div><div>Best,</div><div><br></div><div>Julian</div><div><br></div><div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; font-size: 12px; ">********************</div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><b>Dr. Julian Keil</b></div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><b><br></b></div>AG Multisensorische Integration<br>Psychiatrische Universitätsklinik<br>der Charité im St. Hedwig-Krankenhaus<br>Große Hamburger Straße 5-11, Raum E 307<br>10115 Berlin</div><div><br>Telefon: +49-30-2311-1879<br>Fax: +49-30-2311-2209 </div><div><a href="http://psy-ccm.charite.de/forschung/bildgebung/ag_multisensorische_integration">http://psy-ccm.charite.de/forschung/bildgebung/ag_multisensorische_integration</a></div></span>
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<br><div><div>Am 22.01.2015 um 07:54 schrieb Yoni Levy:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">Is there a way in FT to deal with the statistical comparison of conditions with different sample size (for instance N = 500 vs N = 100)? <div><br></div><div>Thanks for any input</div><div>Yoni </div></div>
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