What percentage of boys and girls have engaged in masturbation by the age of 15, respectively?
A. 25 percent; 25 percent
B. 80 percent; 20 percent
C. 50 percent; 35 percent
D. 65 percent; 10 percent
Answer: B
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Different cultures foster different belief systems
a) True b) False
A critical aspect of the Health Belief Model was added after its initial conceptualization. This new component captures a person's belief regarding his or her ability to successfully perform the behavior. It is know as:
a. self concept c. self esteem b. self efficacy d. self fulfilling prophecy
The third variable problem occurs when one variable, for
example your independent variable, is actually linked to another variable that you are not manipulating or controlling for. In this example, what might the third variable be? (Example: The larger a child's shoe size, the more vocabulary she has.) a) her gender b) her age c) her dress size d) her language skills
The process of reducing connections between neurons to make them more efficient is referred to as __________.
A. synaptic density B. synaptic pruning C. micronutrients D. kwashiorkor