Hi Annette-
A research design is considered "cross-sequential" (not sectional) whenever you are studying cohorts both across & within a time span. It is unlikely to be used unless the time span under consideration is longish. A non-developmental example might be to compare students entering a grad program with those leaving the program while simultaneously following the cohorts though their program.
I wouldn't consider the inclusion of non-manipulable variables such as gender to be grounds for calling something a quasi-experiment. The main difference between quasi and true experiments is the random assignment of Ss to condition. I would argue that in the case of gender Ss have been previously randomly assigned.
Anyway, that's my 2 cents worth. Others may have a different view.
-Don.
Annette Taylor, Ph. D. wrote:
Maybe I am going batty from reading confused papers--and maybe they know more than I do.
Is a reseach design ever, appropriately, named "cross-sectional" outside of the developmental domain?
If a study has a nonmanipulable variable, such as gender, or ability level, is it by definition a quasi-experiment, even if there is a manipulable variable, with random assignment or repeated measures on that second variable?
Annette
Annette Kujawski Taylor, Ph. D.
Department of Psychology
University of San Diego 5998 Alcala Park
San Diego, CA 92110
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