In the middle-class sample population usually studied, about _______ of the kind of intelligence that produces high IQ scores in children is heritable
a. half
b. one-quarter
c. two-thirds
d. 95 percent
Answer: a
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Answer the following statements true (T) or false (F)
A. 50% B. 65% C. 75% D. 90% 1. Unintentional injury is the leading cause of death until age 44. 2. The causes of injury-related deaths vary across the lifespan. 3. All else being equal, an injury-related death in young or middle-aged adult is MOST likely the result of a drug overdose. 4. Adolescent drivers high in conscientiousness may be MORE likely to drive while texting or speaking on a cell phone 5. Alcohol is involved in over one-half of the traffic-related deaths in the United States. 6. Most cases of child abuse involve sexual abuse. 7. People living in a house where a firearm is kept are 5 times more likely to die by suicide than are people living in gun-free homes. 8. “Common-sense” gun laws are largely ineffective at preventing firearm-related deaths.
Cohen's kappa is used to overcome limitations associated with reliability assessed using the ____ method
a. inter-rater b. split-half c. average inter-item correlation d. average item-total correlation
The liking or disliking we have for people, places, and things in our world are known as ____
a. ?prejudices b. ?attributions c. ?attitudes d. ?impressions
Which of the following correlations represents the weakest degree of relation between two variables?
A) Daily calcium intake and bone mass density, r = +.11 B) Degree of exposure to lead and IQ scores in children, r = –.12 C) Hours of exposure to media violence and aggressive behavior, r = +.31 D) Number of cigarettes smoked per day and incidence of lung cancer, r = +.39