In a within subjects design, what happens to control?
a. Nothing, control is the same as in between subjects designs
b. Each participant is his or her own control
c. Control conditions are not necessary in a within subjects design
d. There is not a control group so there is no control
In a matched pair design (such as one in which pairs of monozygotic twins randomly assigned within pair, one to treatment A and one to treatment B), the treatment groups are comprised of different people. Their scores comprise what type of data?
a. dependent data
b. random data.
c. independent data.
d. normally distributed data
In a matched pair design (such as one in which pairs of monozygotic twins randomly assigned within pair, one to treatment A and one to treatment B), the treatment groups are comprised of different people. Their scores comprise what type of data?
a. dependent data
b. random data.
c. independent data.
d. normally distributed data
A researcher watches children in a classroom and keeps a record of the amount of pro-social interactions per child over the course of several one-hour observational periods. Then the researcher watches the children's caregivers on the playground to obtain measurements of their level of verbal reprimanding of children. The researcher hopes to demonstrate that the caregivers verbal reprimanding is related to children's pro-social behavior. This researcher is using the
a. Correlational research strategy.
b. Experimental research strategy.
c. Descriptive research strategy.
d. Scientific research strategy.
For a research study that compares problem solving ability for two different content areas (verbal, math) among participants with three different levels of self-esteem (high self-esteem, medium self-esteem, and low self-esteem), what kind of design would be appropriate and efficient (i.e., use the fewest participants)?
a. within subjects design with two factors
b. mixed design with one between and one within factor
c. matched groups designs with two factors
d. between subjects design with two factors