A teacher announces that there will be pop quizzes throughout the semester. What is this an example of?
a. a variable ratio schedule c. a fixed interval schedule
b. a fixed ratio schedule d. a variable interval schedule
D
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Although Marlene's emotional responses are usually restricted, at totally inappropriate times, she giggles. She also fantasizes aloud and speaks in an incoherent and absurd manner. Her behavior is extremely bizarre and childish. She matches the common conception of "crazy" and has been this way since childhood. The best diagnosis for her is ____
a. Schizophrenia b. Brief Psychotic Disorder c. Schizophreniform Disorder d. Adjustment Disorder
Heart attacks are
A. more likely in all drinkers than in those who abstain. B. less likely only for those who regularly drink several glasses of red wine each day. C. less likely for moderated drinkers compares to those who abstain. D. not really affected by low or moderate levels of drinking.
Parenting that uses withdrawal of love to enforce restrictions may foster compliance but also instill guilt and anxiety
Indicate whether the statement is true or false
When a sperm and an egg cell combine, the result is a __________
a. fetus b. gestation c. embryo d. zygote