What is the appropriate statistical test for comparing more than two independent conditions of the same independent variable?
a. One-way, between-groups ANOVA
b. Independent-samples t-test
c. Linear regression
d. Multiple linear regression
Ans: A
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Ekman and Friesen's (1971) originally study was done in New Guinea using the Fore people as participants. This study is a good example of a(n) __________ study.
A. laboratory B. field C. case D. survey
Among the possible causes of aggression are access to firearms, time spent playing violent video games, and watching violent television programs. If these three factors were used in an experiment on aggression, the researcher would label them as ________
a) controlled b) theoretical c) dependent d) independent
A person's personality can affect the way they perceive an experience. Conversely, different experiences can change the way a person's perceptions take place. This is an example of which concept?
a. social-cognitive interaction b. nature-nurture theory c. heritability d. reciprocal determinism
A hypothesis test produces a t statistic of t = 2.20. If the researcher is using a two-tailed test with ? = .05, how large does the sample have to be in order to reject the null hypothesis?
A) ?At least n = 11 B) ?At least n = 12 C) ?At least n = 13 D) ?At least n = 14