Why is a representative sample desirable?
A. Such samples are random.
B. Hypotheses can only be tested on representative samples.
C. Only representative samples yield meaningful results.
D. The more representative a sample is, the more generalizable the data.
Answer: D
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In the study of diversity, __________ appears to have more impact than race or ethnicity on child development.
A. socioeconomic status B. family income C. cultural group membership D. parent's education level
Which of the following is not a red flag of autism spectrum disorder?
a. an unwavering eye gaze c. a lack of response to his or her name b. repetitive movements with objects d. a lack of showing gestures.
Your roommate seems to feel much more pain than you do when the two of you are working out together. Which of the following may be an explanation for this phenomenon? a. Your roommate may be stimulating more pain receptors than you are
b. Your roommate may have fewer endogenous opioid receptors than you do. c. Your roommate may have more nociceptors than you do. d. Your roommate is working out way harder than you are.
Thorndike and Hull's approaches were similar in the following way:
a. Both used animal studies to verify theoretical predictions. b. Both developed theories capable of being practically applied. c. Both developed elaborate general theories based on mathematical relationships. d. Both emphasized reinforcement in the learning process.