Ensuring that all variables are constant in an experiment, except for the independent variable, is called
a. random sampling.
b. experimental control.
c. random assignment.
d. experimental manipulation.
B
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The biggest factor predicting low screening rates is:
a. religion c. socioeconomic status b. ethnicity d. race
Which information is most likely to be in your current working memory?
everything you see right now the answer to this question where you saw the term working memory in the text the musical theme of your favorite television show
Researchers strive to create the least amount of risk possible. They weigh the risk incurred by participants against the _____
a. risk of not participating b. cost of doing a virtual study using computer programs c. benefits of the research d. demand characteristics
A probability distribution gives us
a. a distribution of probabilities. b. the probability of every possible event in a population. c. the probability of some of the events in the population. d. the probability of obtaining certain probabilities.