An injury that does not involve penetration or fracture of the bones of the skull but results from an external blow or from the brain being whipped back and forth rapidly is which of the following?

A. An open head injury
B. A closed head injury
C. Encephalitis
D. A congenital injury


B

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Which statement about distractible students is correct?

a. They are frequently diagnosed with attention deficit disorder. b. They are distractible only in school. c. They are often memory-deficient as well. d. They tend to follow directions very well but to have behavior problems.

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In high school science and math, according to the author of your textbook,

a. parents now give girls and boys equal encouragement to succeed b. parents still give boys more encouragement than girls to succeed c. boys are still more likely than girls to take first-year chemistry d. girls are now more likely than boys to take first-year physics

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When working with correlational data, the total variation in the Y distribution depends upon two components. What are they?

What will be an ideal response?

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Late for an 8 a.m. homeroom meeting, Caroline runs into the classroom, disturbing all around her, and dives to her chair in an attempt to be funny. In response to this behavior her teacher arranges for Caroline to sit in the hall for the rest of the period. This response is an example of

a. negative reinforcement. b. time-out. c. discrimination. d. extinction.

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