The life span is usually divided into which specific broad age ranges?
What will be an ideal response?
Answer: The prenatal period (conception to birth); infancy and toddlerhood (birth to age 3); the preschool period (ages 3–6); middle childhood (ages 6–12); adolescence (ages 12–20); young adulthood (ages 20–40); middle adulthood (ages 40–60); and late adulthood (age 60 to death).
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A researcher found that clients who were randomly assigned to same-sex groups participated more in group therapy sessions than clients who were randomly assigned to coed groups. In this experiment, the dependent variable was
a. the amount of participation in the group therapy sessions. b. whether or not the group was coed. c. the clients' attitudes toward group therapy. d. how much the clients' mental health improved.
Young Tiffany is just starting puberty, and there are several changes occurring in her body. Which of the following would be an example of change in a secondary sexual characteristic?
a. development of her ovaries b. development of her breasts c. development of her vagina d. development of her uterus
What will most affect the speed of an action potential?
a. the strength of the stimulus b. the time since the last action potential c. the length of the axon d. the resistance of the membrane
Typically, long pauses in responses are associated with ________ schedules of reinforcement.
A. fixed-ratio B. variable-ratio C. variable-interval D. fixed-interval