Explain the difference between a parametric and a nonparametric test.
What will be an ideal response?
A parametric test is used with continuous variables and a nonparametric test is used with categorical variables. Nonparametric tests are needed when sample statistics cannot be calculated to estimate population parameters. They are less powerful than a parametric test.
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Research on social influence in virtual groups shows that they
a. are much less influential than "live" groups. b. only have impact when member identities are known. c. only have impact when member identities are hidden. d. can be quite influential even when they are remote.
Cattell defines personality as:
a. species specific behavior of a universal nature b. that which tells what a man or woman will do when placed in a given situation c. the term for behavior springing from innate drives and traits d. that which allows one to generalize the behavior of an individual to that of society at large
If you want to be certain that the behavior of interest to your research is as natural as possible, you will want to use a(n)
a. laboratory procedure. c. naturalistic observation. b. expert interviewer. d. validity scale.
By __________, children can set aside their current state of mind and take a future perspective
A) the end of the first year B) age 2 C) age 3 D) the end of the preschool years