In contrast to Freud's emphasis on sexuality, Erikson emphasized the __________ aspects of personality.

Which of the following is a reason why we may NOT find a significant difference between two groups?

a. The sample size was too small. b. The true mean difference between the groups was too small. c. The variability between the groups was too large. d. all of the above

A developmental psychologist's research suggests that coordination improves gradually over time rather than in short bursts of rapid change. These results reflect a _____ view of developmental change

a. discontinuous b. psychosocial c. continuous d. cohort

Mrs. Rosinski gives each of her children, ages 5, 8, and 12, a shopping list of 10 items. Which of the following results can she expect to see?

A) Her 5-year-old will probably make a plan before searching for items. B) Her 12-year-old will probably scan the store before searching for items. C) All of the children will immediately start to retrieve items. D) All of the children will probably make a plan before searching for items.

A sample of n = 15 scores ranges from a high of X = 11 to a low of X = 3. If these scores are placed in a frequency distribution table, how many X values will be listed in the first column of that table?

A) ?8 B) ?9 C) ?11 D) ?15