When we do an experiment, how can we be reasonably sure that differences in the

behavior of subjects in the experimental and control groups were not there to start with?

(a) by calling one the experimental group and the other the control group
(b) by using random assignment
(c) by carefully measuring the independent variable
(d) by carefully measuring the dependent variable

B

Psychology

You might also like to view...

The automatic processing of social information involves ________

A) a relatively quick, effortless way of reaching conclusions B) combining affective state with schemas and cognitions C) encoding of new social information for later retrieval D) information overload and counterfactual thinking E) effortful cognitions, heuristics, and inferences

Psychology

Henry Dale's assertion that neurons could contain only one type of chemical messenger is a. correct

b. incorrect, as some neurons can release two small molecules in different locations. c. partially correct, in that neuropeptides are never found in the same neuron as amines or amino acids. d. partially correct, as neurons nearly always release more than a dozen neurotransmitters whenever stimulated.

Psychology