Which relationship has the highest "sunk costs"?
a. Ryan and Amy, who have just started dating
b. Jeff and Lisa, who have been dating for a blissful year
c. Kara and Adam, who have been together for years
d. Melissa and James, who are having a stormy, but probably brief, affair
C
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As a gate creaks open, Oscar the puppy notices a cat heading into his yard. The cat hisses and scratches Oscar on the nose, causing Oscar to yelp in pain. Which outcome to this scenario portrays higher order conditioning?
a. ?Now when Oscar sees the cat who scratched his nose he runs away, but he feels comfortable with the cat with whom he shares a home. b. ?Now when Oscar sees a cat or small dog coming toward him, he immediately begins to yelp in pain. c. ?Now whenever Oscar sees a cat, including the cat in his own home, he runs away. d. ?Now when Oscar hears a gate creak, regardless of who is coming through it, he runs away.
Cross-cultural studies from Europe and the United States confirm an increased risk of
schizophrenia in people who ______. a. were sexually abused as children b. were physically abused as children c. have biological relatives with the disorder d. grew up in poverty
About ______ percent of the general population is affected by intellectual developmental disorder
a. 1 c. 10 b. 5 d. 15
In a __________ design, one group of participants is followed and assessed as the group ages.
A. cohort B. longitudinal C. behavior genetics D. cross-sectional