Most cognitive aging research has focused on intellectual __________

Programs that focus on the individual in an attempt to reduce juvenile delinquency

a. have shown positive long-term effects. b. have shown positive short-term effects. c. focus on the social systems in which juveniles are embedded. d. have had mixed results.

Which of the following may be a negative effect of being physically attractive?

A. confusion of why you are being treated in a particular way B. feeling like an imposter C. feeling that your friendships aren't genuine D. increased worry over aging

If we have conducted random selection accurately, we would be fairly confident that:

a. there are equal numbers in subject groups. b. the independent variable has been operationally defined. c. the sample of subjects reflects the population that we are studying. d. confounding variables have increased in our experiment.

Cathy just gave her pet rat a Froot Loop as a special treat. How is the rat's brain likely responding to the enjoyable properties of this treat?

A. by decreasing serotonin reuptake in the cortex B. by increasing dopamine levels in the nucleus accumbens C. by blocking acetylcholine levels in the hippocampus D. by modulating GABA levels in the amygdala