A researcher designed an experiment to determine whether working under time pressure causes people to make more errors on moderately difficult math problems. In this study, the independent variable is
a. errors
b. the difficulty of the math problems
c. performance on math problems
d. the time participants were given to complete the problems e. none of the above
D
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Spencer's particular contribution was the application of the survival of the fittest hypothesis to human nature and society
a. True b. False
Major depression occurs twice as often among women as among men
Indicate whether this statement is true or false.
Dr. Baker designs an experiment for studying lab rats' reaction to energy drinks in relation to problem solving. Dr. Baker is most interested in the goal of
a. description. b. explanation. c. prediction. d. control.
Sarah is being tested for dyslexia (a type of reading disability) after receiving substandard scores on the WAIS. Which subscale of the WAIS would provide the best information about Sarah's reading disability?
a. Vocabulary b. Similarities c. Picture completion d. Information