Professor Plumb is interested in the impact of fruit consumption on memory. He identifies a group of college students to serve as research participants. Then he randomly assigns them to one of three conditions. In condition 1, the students eat no fruit for a week. In condition 2, students eat 1 pound of fruit each day for one week. Those students assigned to condition 3 eat five pounds of fruit each day for one week. At the end of the week, Professor Plumb measures the student's memory recall for a list of 20 words. Given this description, Professor Plumb appears to be using a(n) __________ research technique.
A. correlational
B. meta-analysiS
C. experimental
D. biographical
C. experimental
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Research has demonstrated what effect of divorce on the children? a. They show academic and social difficulties at first, but not later
b. They seem fine at first, but develop academic and social difficulties later. c. The results are highly variable, both at first and later. d. On average, they develop the same as others, both in childhood and adulthood.
Although functionalism faded away as a theoretical force in psychology, historians credit it with two important contributions to the discipline:
a. behaviorism and applied psychology. b. psychoanalysis and behaviorism. c. behaviorism and introspection. d. women psychologists and applied psychology.
Alfred Binet designed the first ________ test
a) Aptitude b) Performance-based c) Perception d) Intelligence.
African-American adolescents constitute ____ percent of the adolescent population in the United States and account for ____ percent of those arrested for violent crime
a. 10; 25 c. 8; 30 b. 25; 12 d. 13; 50