PSYO 1011 Lecture Notes - Lecture 3: Cholera, Scientific Method, Standard Deviation

• School: Dalhousie University
• Department: Psychology
• Course: PSYO 1011
• Professor: Leanne Stevens,Shelley Adamo,Kevin Duffy,Jennifer Stamp

Document Summary

Chapter 2 continued lecture 3: samples must be representative of the population. It has to include multiple people from a sample (cid:1688)women put off dating men who are too easy going or clever(cid:1689: who did they ask, was it women of only one race or group of women (i. e age) In order for the experiment to actually work, they couldn(cid:1685)t tell the doctor since the doctor would give off signs of what type of pill it was. Confounding variables: two variables that are intertwined in such a way that we cannot determine which has influenced the outcome. Groups differ in more ways that experimental treatment. Mozart effect: 1993 study suggested listening to mozart increased people(cid:1685)s intelligence, used psychology students, some listened to mozart, others listened to nothing. How do we quantitatively describe groups: we measures the group(cid:1685)s central tendency (e. g. average, where is the middle of the scores, we measure the variability within the group.