A group of randomly selected subjects for a study that matches the population on important characteristics such as age and sex is called __________.
A. volunteer bias
B. a representative sample
C. an experimental group
D. a control group
Answer: B
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Freud's theory of development has been criticized for:
A. suggesting that development continues into adulthood B. ignoring the role that pleasure plays in psychosexual development C. emphasizing social factors D. emphasizing childhood sexuality
Elijah is a 3 year old little boy who likes to spread his peas and carrots all over his plate. After spreading out his food, he asks for more. His mom pushes all the food together and Elijah continues to eat
Which period of cognitive development is Elijah in? a. egocentrism b. sensorimotor c. preoperational d. accommodation e. assimilation
Which of the following statements is FALSE regarding the parenting of Asian-American parents?
A. Most Asian American parents use a "tiger" parenting style. B. The "easygoing" parenting style was linked to the most positive developmental outcomes for Asian- American teens. C. The "tiger" parenting style was associated with the worst developmental outcomes out of all of the parenting styles of Asian-American parents. D. Tiger parenting increases for fathers and decreases for mothers across adolescence.
If a study conducted at the .05 significance level has 80% power
A) alpha = 5%, beta = 80% B) alpha = 5%, beta = 20% C) alpha = 95%, beta = 80% D) alpha = 95%, beta = 20%