How does stereotype threat influence the results of a test?
a. It increases the reliability of the test.
b. It decreases the variance among test scores.
c. It increases the mean number of correct answers.
d. It decreases the validity of the test.
d
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Jeff and Cindy are talking. Cindy says to Jeff, "I wish you would just ... go away!" Jeff responds quickly, "What did you mean by that?" Cindy answers, "Well, I really don't know, I just said it. I didn't mean it." Freud might disagree and suggest that Cindy is not aware of why she wants Jeff to leave her. Freud is referring to Cindy's:
A. conscious forces B. reality content C. manifest content D. unconscious forces
Regarding the lobotomy and deep lesioning, which of the following statements is FALSE?
a. Deep lesioning involves destroying small target areas within the brain's interior. b. When the first antipsychotic drugs became available, the use of the lobotomy was abandoned. c. Like the lobotomy, deep lesioning is reversible. d. Patients suffering from a severe type of obsessive-compulsive disorder may be helped by deep lesioning.
In which disease or disorder does genomic imprinting operate on the sex chromosomes?
A) fragile X syndrome B) Huntington disease C) sickle cell anemia D) Marfan syndrome
Between-group variance consists of variance due to treatment effect and variance due to error.
Answer the following statement true (T) or false (F)