If one psychologist administers a test simultaneously to several people with minimal supervision, the test must be a(n) __________ test

A genotype is an individual's _____, whereas a phenotype represents its _____.

A. environmental structure; biological structure B. physical expression; emotional structure C. dominant gene structure; recessive gene structure D. genetic structure; physical expression

According to the research on the classic "selection task" (involving the cards that contain a letter and a number),

a. accuracy often depends on factors such as the concreteness and familiarity of the problem. b. performance is better when people use top-down processing. c. surprisingly, people perform better when the task is abstract than when it is concrete. d. people prefer to use syllogisms, rather than conditional reasoning.