In _______ discrimination training, the SD and S? are presented at the same time
a. synchronized
b. randomized
c. simultaneous
d. identical
C
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If your friend the therapist agrees with Freud, she would say that the content of our dreams reveals
A. unacceptable ideas that are actually acceptable. B. unconscious conflicts and desires. C. anxieties with which we were born. D. much useless information.
A study found that Americans have a shorter life expectancy than the Greeks, who earn, on average, less than half of what Americans earn. According to the authors of your textbook, this difference in life expectancy is due to the a. extra stress Americans feel from being constantly reminded that they are relatively poor compared to other Americans
b. Greeks' more stable economy and their placing less emphasis on obtaining money and material goods. c. Greek culture's emphasis on leisure and less work. d. better health care plans afforded people in European countries than in America.
Annie is studying how reaction time is related to age group. She wants to compare younger adulthood (18–24), middle adulthood (40–46), and older adulthood (74–80), so she tests the reaction times of 20 people in each age group on a video game task. What is the most appropriate statistical test for Annie to run?
a. One-way, between-groups ANOVA b. One-way, repeated-measures ANOVA c. Independent-samples t-test d. Paired-samples t-test
Which of following research methods is LEAST likely to be used in studying the heritability of traits?
A) Twin studies B) Correlational studies C) Adoption studies D) Experimental studies