What is a placebo control group?
a. a group that receives treatment after another group receives the treatment
b. an active treatment group
c. a control group in which a different active treatment is provided
d. a control group in which an
Ans: d. a control group in which an
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If the alleles of a gene are the same, the gene is said to be
a. heterozygous. b. phenotype. c. genotype. d. homozygous.
Who has a higher risk of developing Internet gaming disorder?
a. American adolescent females b. Canadian adolescent males c. Hispanic adolescent females d. Asian adolescent males
What have researchers concluded about the relationship between marital interactions and marital happiness?
A) Happy marriages never have conflicts or disagreements. B) Couples become unhappy when their interactions with each other are primarily negative. C) Love is the most important stabilizing factor in a marital relationship. D) If a marriage is to be happy, the ratio of "nice" to "nasty" interactions must remain at 50:50.
In a fixed ratio schedule, an individual receives reinforcement ______.
a. after making the desired behavior some average number of times b. after a specific amount of time has passed, assuming the behavior has been made c. after some average amount of time has passed, assuming the behavior has been made d. after making the desired behavior a specific number of times