A researcher reviews 33 peer-reviewed research articles on the effectiveness of the DARE program to reduce drug and alcohol abuse among teenagers. Based on the results of these 33 articles, the researcher concludes that the overall effectiveness of this program is associated with only a small effect size. What type of existing data design did the researcher use?

Which of the following students provides the most accurate summary of the neuroscience research on mental imagery?

a. Sambridhi: "Visual imagery and visual perception activate virtually identical structures throughout the visual pathway and also in the visual cortex." b. Scott: "Visual imagery and visual perception activate identical structures in the retina, but not in the visual cortex." c. Tessa: "Visual imagery and visual perception activate some of the same structures in the cortex, but not in the retina" d. Christine: "Visual imagery and visual perception activate very different structures throughout both the visual pathway and in the visual cortex."

A person's responses to a projective test are thought to reflect

A) current events. B) daydreaming themes. C) maladaptive patterns of behavior. D) unconscious thoughts and feelings.