In a recent fMRI study conducted in British Columbia, abnormalities in the limbic system and frontal cortex were found in ___________
a) criminals with psychopathy
b) non-criminals with psychopathy
c) criminal without psychopathy
d) non-criminals without psychopathy
a
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Which of the following is true regarding biology and alcohol use?
a. ?Genes related to the body’s ability to break down alcohol in the liver are distributed evenly across the world’s populations. b. ?Native Americans have much higher rates of alcohol dependence than many other ethnic groups in the United States because they lack protective genes. c. ?Certain types of genes found primarily in Europeans are correlated with higher rates of alcohol tolerance. d. ?Certain types of genes found primarily in Asians are correlated with lower rates of alcohol dependence.
Which statement is an example of a demand characteristic in everyday life?
A) Professor Emanuel is much more passionate and engaging with his class when he knows that his teaching is being evaluated. B) Alfreda turns down dessert because she is trying to lose weight as part of an overall plan to improve her health. C) Rick takes a new running route because it is flatter and his knees have been hurting him in recent weeks. D) Leanna signs up for courses outside her major that she feels will make her better prepared for graduate school.
The family nutrition counselor in "A Professional Perspective" recommends that during early childhood youngsters have
A) three meals a day plus two snacks. B) only three meals a day. C) no snacks except before bed. D) five meals a day but no snacks.
Sometimes, steps taken to ensure high levels of internal validity lead to reductions in the levels of external validity.
Answer the following statement true (T) or false (F)