A researcher investigated the effect of aerobic exercise on depression. He randomly assigned subjects previously identified as depressed to one of three groups. Choose the correct group for each question. Which is the true control group?
a. aerobic exercises five days per week c. no aerobic exercise
b. aerobic exercises three days per week
C
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Although teachers have academic freedom,
A. the state can prescribe a curriculum. B. the contract clarifies the content to be taught. C. the school board makes the final decision. D. the superintendent must approve the curriculum
Which one of the following statements best describes a cognitive-developmental perspective of child development?
a. Children are naturally disposed to think about their environment in particular ways; in a sense, some basic knowledge about the world is "pre-wired." b. Children construct increasingly sophisticated views of the world based on their many experiences with it. c. Initially, children unconsciously develop a rather complex and confused view of the world, but this view becomes simpler and more straightforward as time goes on. d. Children repeatedly parrot their parents' and teachers' beliefs, eventually adopting these beliefs as their own "knowledge."
An important civics lesson for American students is to follow without question what the president says to do
Indicate whether the statement is true or false.
An audiologist looks at qualitative attributes such as bilateral versus unilateral hearing loss, high-frequency versus low-frequency hearing loss, and flat versus sloping and stable versus fluctuating hearing loss to determine the:
A. Degree of hearing loss. B. Type of hearing loss. C. Nature of hearing loss. D. Configuration of hearing loss.