The Latin word meaning ________ connects both motive and emotion

How do researchers ensure that groups of participants are equal before they begin an experiment?

a) They randomly assign participants to groups. b) They measure the dependent variable repeatedly. c) They use independent variables that are correlated with extraneous variables. d) They assign participants who have identified themselves as having control of extraneous variables.

In Kosslyn's "imaginary island" study, researchers

found that it does take longer to view a mental image that _____________. a) is larger or covers more distance than one that is smaller and more compact b) has more items in it c) has more colors in it d) contains living things as compared to nonliving items