An experiment always has at least
a. One independent variable
b. Two independent variables
c. Three levels
d. Three conditions
a
Psychology
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What do we call the variable an experimenter manipulates in order to determine its effects in an experiment?
a) controlled variable b) dependent variable c) extraneous variable d) independent variable
Psychology
The first step in any scientific investigation is
a. forming the hypothesis. b. perceiving the question. c. coming to a conclusion. d. developing an argument. e. identifying research participants.
Psychology