PSYC 100 Lecture Notes - Lecture 30: Descriptive Statistics, Data Reporting, Standard Deviation
3363410481 and 38233 others unlocked
29
PSYC 100 Full Course Notes
Verified Note
29 documents
Document Summary
Participants+must+be+ensured+privacy. +is+it+okay+that+people+are+unaware?+they+must+be+ensured+ confidentiality+so+that+personal+information+is+not+linked+publicly+to+the+study"s+findings. +or+else+ participants+ may+ bias+ their+ responses+ in+ order+ for+ them+ to+ be+ more+ socially+ acceptable. + for+ studies+that+are+concerned+with+extremely+sensitive+topics,+the+participants"+response+should+be+ anonymous,+meaning+that+no+personal+information+is+collected,+so+that+responses+can+never+be+ traced+to+the+individuals+(not+the+same+as+confidentiality). + Deception:+ when+ participants+ are+ mislead+ of+ the+ studies"+ goals+ to+ avoid+ that+ participants+ alter+ their+ behaviour+ knowing+ the+ true+ goals. + used+ in+ last+ resort. + after+ a+ deception+ is+ used+ a+ careful+ debriefing+(explanation+of+the+study)+must+be+done+to+explain+why+the+deception+was+done. + Validity:+ the+ extent+ to+ which+ the+ data+ collected+ addresses+ the+ research+ hypothesis+ in+ the+ way+ intended. +the+data"s+validity+depends+on+the+question+being+studied. +it+is+essentially+the+extent+ to+which+the+data+is+really+measuring+what+you+want+to+measure. ++ Reliability:+ the+ extent+ to+ which+ a+ measure+ is+ stable+ and+ consistent+ over+ time+ in+ similar+ conditions. ++ Accuracy:+ the+ extent+ to+ which+ an+ experimental+ measure+ in+ free+ from+ error+ (random+ and+ systematic)+ The+ 2nd+ step+ is+ summarizing+ the+ basic+ patterns+ using+ descriptive+ statistics,+ which+ provide+ an+ overall+summary+of+the+data. ++ Median:+ a+ measure+ of+ central+ tendency+ that+ is+ the+ value+ in+ a+ set+ of+ numbers+ that+ falls+ exactly+ halfway+ between+ the+ lowest+ and+ the+ highest+ values. + sometimes+ a+ better+ estimate+ than+ the+ mean+because+doesn"t+include+extreme+values. ++