A central concern in social science research is statistical power, or the ability of a given analysis to reliably detect the presence or absence of any effect(s). Without enough participants, an effect may in fact exist, but the researcher may be unable to detect it and falsely conclude that it does not exist. Conversely, with too many participants, clinically insignificant effects may reach statistical significance. Using examples, this presentation focuses on how to use G*Power software to determine how many participants are needed to reliably detect—or safely reject—the existence of effects in the real world. Attendees should download G*Power at this site before joining the meeting: http://www.gpower.hhu.de/en.html
Chicago School students can download the presentation slides here: https://tcsedsystem-my.sharepoint.com...
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