If current trends continue, when will the worldwide total fertility rate (TFR) reach replacement rate?
a. 2020
b. 2050
c. 2080
d. 3010
B
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One-year-old Andy notices a rag doll sitting in the corner. He is very excited and begins to point at the doll in the hopes that his mother, Ann, will notice. Suddenly, Ann notices the doll and the two look at the rag doll together. At this point, this mutual experience represents
a. joint attention. b. sympathy. c. classical conditioning. d. prosocial behavior.
Dr. Hodo is conducting a study in which he examines the effect of two types of therapy on depression in college students. The type of therapy is the ____ variable.?
a. ?independent b. ?control c. ?dependent d. ?confounding
The group from which you will actually sample in reality is the ____
a. census b. population c. theoretical population d. accessible population
The most consistent withdrawal symptom after chronic caffeine use is
A. headache. B. drowsiness. C. nervousness. D. inability to sleep.