__________ psychologists attempt to define human traits

Dr. Angelos is interested in studying factors that affect athletic achievement, such as skill learning, the personality profiles of champion athletes, and the effects of spectators. Dr. Angelos is most likely a(n) psychologist

a. social b. sports c. organizational d. environmental

For a group of graduating college seniors, a researcher records each student's rank in his/her high school graduating class and the student's rank in the college graduating class. Which correlation should be used to measure the relationship between these two variables?

a. Pearson correlation c. Point-biserial correlation b. Spearman correlation d. Phi-coefficient