The research comparing the IQ scores of twins has what limitation?

a. Most of the data come from children of prisoners and mental patients.
b. Most of the data come from families with more than four children.
c. Most of the data come from middle-class families.
d. Most of the data come from preschool children.


c

Psychology

You might also like to view...

According to the James-Lange theory of emotions, one's conscious experience of emotion results from one's perception of

a. others' emotions. b. autonomic arousal. c. skin conductancy. d. tension in the facial muscles.

Psychology

Dr. Belton is an industrial/organizational psychologist. He designs programs intended to improve employee satisfaction. Which type of researcher is he?

A. basic B. applied C. theoretical D. observational

Psychology

Empathy, compassion, and social connections are seen as valuable prosocial behaviors. Which of the following options fuel social connection and emotional stability?

a. Texting emojis and smiley faces to our friends b. Meeting in person, engaging in conversation and making eye contact. c. Responding quickly and kindly to emails and text messages. d. Sending out friend requests, following people on Instagram and Facebook

Psychology

Based on information from your text, why is it so important to use an experiment to test interventions before implementing them?

a. to be able to compare the intervention with a control group without the intervention b. to be able to publish the results of the intervention in a scholarly journal c. to increase awareness of the intervention d. to make sure the intervention is effective enough to warrant federal funding

Psychology