The state of Vermont tried to anticipate the degree to which middle- and high-school students contemplated suicide. The state collected data from students in 1993, 1995, and 1997 . This approach reflects
a. a cohort study.
b. a trend study.
c. a cross-sectional study.
d. a retrospective study.
Recarte and Nunes (2003) tested participants who drove for about four hours on a highway.
During that time, the participants had to learn abstract and concrete information, had to generate abstract and concrete information, and drove with and without distraction. This design involved
a. repeated measures on all factors.
b. a correlational design.
c. a partial factorial design.
d. a main effect design but not an interaction design.
Strayer, Drews, and Johnston (2003) asked participants in a driving simulator while they either talked on a cell phone or did not. Afterward, participants received a surprise test of their memories for billboards that had appeared.
The design of this study
a. was correlational.
b. involved a 2x1 design.
c. was a factorial design.
d. could lead to analysis by a t test.
The use of systematic observations free of prior hypotheses and collection of facts, followed by the an integration of the ideas refers to
a. grounded theory.
b. retrospective research.
c. cohort effects.
d. randomized clinical trials.
If a researcher studied an individual by examining diaries, conducting interviews, and asking for retrospective accounts in order to understand the person, that researcher would be conducting
a. an experiment.
b. a quasi-experiment.
c. a trend study.
d. a case study.
Quick Reply
