At what age do children show a definite handedness preference during self-feeding?

Attitudes and opinions show ________, whereas one's own highly valued skills and abilities tend to show ________

a. the self-serving bias; the self-centered bias b. the self-centered bias; the self-serving bias c. the false uniqueness effect; the false consensus effect d. the false consensus effect; the false uniqueness effect

Which of the following statements is most accurate?

A. The household system can provide an environment that facilitates development and mental health. B. Household maintenance is relatively easy and does not take much time. C. The value of the accomplishments of management of the household is well defined in monetary terms. D. Recent trends indicate an increase in time spent on household tasks.

Which one of the following is a part of quantitative item analysis?

A. constructing an agenda for a test takers' group discussion B. constructing one-on-one interviews for test takers C. constructing item characteristic curves D. constructing numerical rating scales for test-taker

An operational definition specifies the meaning of a variable in terms

a. of the methods that are used in measuring or manipulating that variable. b. that are agreed upon by all of the major researchers in the area of research. c. that are quantitative and statistically derived. d. of the historical discoveries throughout all of science.