Mr. Marshall hired June to collect data from a group of subjects. Neither June nor the subjects were aware of the independent variable that Mr. Marshall had manipulated. This is an example of _______

a. randomization
b. a placebo
c. double-blind control
d. experimenter bias

c

Psychology

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According to recent research, personality throughout adulthood is a product of four major sources. The one that probably exerts the most influence is

genes. parental practices. culture. adult experiences.

Psychology

Social-cognitive learning theory emphasizes the continual interaction between persons and a given situation

Indicate whether this statement is true or false.

Psychology