Dr. Rashad offers the class an explanation for an extensive group of research findings connecting emotionality and nonverbal communication. Her explanation for this group of findings is a(n)
A) hypothesis.
Incorrect. A hypothesis is a testable prediction—an educated guess—that is based on an existing theory.
B) empirical conclusion.
C) operational definition.
D) scientific theory.
Correct. A scientific theory is an explanation for a large number of findings in the natural world.
Answer: D
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In 1848, Phineas Gage, a foreman on a railroad construction crew, suffered a serious head injury when an accidental explosion fired a 13-pound metal rod through his left cheekbone and out the top of his cranium
The damage to Gage's left frontal lobe triggered __________ A) frequent seizures and episodic memory loss. B) profound mental and physical retardation. C) a permanent loss of his vision and hearing. D) a permanent and profound change in his personality.
Which of the following statements about child sexual abuse is true?
A) Children with disabilities are abused less than their typically developing peers. B) Sexual abuse is committed against children of both sexes, but more often against girls. C) Most cases begin in middle childhood and are not reported until adulthood. D) Typically, the abuser is a nonrelative whom the child does not know very well.