Provide an example of a sequential design and indicate why it may be more superior than a
traditional longitudinal or cross-sectional design.
What will be an ideal response?
A sequential design often contains characteristics of cross-section and longitudinal
designs. For instance, in a longitudinal sequences design, the researcher may assess a
group of 18 year-olds. Four years later, she may re-evaluate these subjects when they
are 22 and assesses a new group of 18 year-olds. She then follows both groups up four
years later and assesses a new group of 18 year-olds. In her analyses, she can compare
the longitudinal findings of her original subjects to the complete cross-sectional results
gathered at the final time of measurement. The time-lag component allows her to
evaluate the effects of historical changes on the study measures.
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In a research study comparing two conditions, researchers obtain 24 scores from each condition. If this is a within-subjects design, then there are _____ subjects in the study
a. 24 b. 25 c. 26 d. 48
Which of the following is NOT true of brain organization gender differences?
a. Males do not consistently have more specialized brain organization than females. b. Male and female brains are much more different than they are similar. c. Females do not always have a larger corpus callosum. d. A significant amount of brain development occurs after the age of 10 years making it impossible to determine what differences are due to socialization rather than innate organization.
Which of the following is a technique in which all family members participate, both individually and as a group, to change destructive relationships and communication patterns?
a. psychodrama b. family therapy c. sensitivity group d. encounter group
When is the changing-criterion design an appropriate design to use? When
a. the behavior change is reversible b. the behavior change is irreversible c. the behavior is difficult to measure d. it is impossible to obtain stable baseline behavior