PSY230H5 Lecture Notes - Lecture 3: Institute For Operations Research And The Management Sciences, Convergent Validity, Uncorrelated Random Variables
Document Summary
Abnormal between people who see the world as it and those that have delusion/hallucinations. For example, introvert vs extrovert and the variation. Slide 2 question: which approach to the study of pers has emerged as the dominant scientific approach over past. Pearson correlation do show strength rel between 2 variables. Slide 4 question: the correlation between mark on midterm exam + final marks is r = 0. 60. What is probability that score above av on final mark? (av about 66%) Start w/ 50% bc of probability/chance, take r cut it in 1/2, and add to 50% that already have from coin flip ---> answer. For instance take 0. 60 in half + 50% --> 80% chance. Fundamentals ii: causality + validity: relevance of this lecture. Explains distinction between pers measures + pers constructs (validity: correlation doesn"t prove causality ---> t or f.
