During the elementary school years, vocabulary
A) doubles.
B) triples.
C) increases fourfold.
D) increases tenfold.
C
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Dr. Kelly is studying the effects of time constraint on performance. She is studying men and women of various ages. What is the independent variable in this study?
A. performance B. time constraint C. gender D. age
All of the following are ways in which mental health professionals might function as scientist-practitioners EXCEPT a. analyzing their own motivations and reasons for helping people with psychological problems. b. evaluating their own assessments and treatments for effectiveness
c. conducting research leading to new information about mental disorders and their treatments. d. using the most current diagnostic and treatment procedures.
When Toddler Jared sees a dog and refers to it as "doggy," he is most likely referring to:
a. the actual dog. c. the color of the dog. b. the dog's wagging tail. d. the bark of the dog.
National surveys show that nearly __________ of Americans had altered their diets in order to lose weight at some point in the previous year
a) 10% b) 20% c) 70% d) 90%