A study finds that 100 percent of 20-year-olds, 70 percent of 40-year-olds, and only 40 percent of 60-year-olds are able to detect the scent of a single rotten egg in a 10- by 10-foot room. A developmental psychologist would most likely explain this change in terms of a(n)
A. Decrease in olfactory sensory threshold
B. Increase in olfactory sensory threshold
C. Decrease in cross-modality perception
D. Increase in cross-modality perception
Answer: B
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Although adults may worry about close relationships that adolescents may have with the opposite sex or even with the same sex, an important value of close relationships in adolescence is that they
form lasting pairings that forever remain loyal. help establish identity and deal with cliques and crowds. assist with preparing for career goals and independence. reduce deviancy and uphold parental values.
What is the IQ of a 12-year-old with a mental age of 17?
a. 147 b. 141 c. 70 d. 145
The more factors involved in a study, the easier it is to clearly interpret results
Indicate whether the statement is true or false
All of the following are goals for prosocial behavior EXCEPT
A) to display reactance. B) to increase social status. C) to manage our self-image. D) to manage our moods and emotions.