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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Olivia has been diagnosed with dissociative identity disorder (DID). She has 17 different "alters," which are strikingly different from her host personality. Some of her alters are not full personalities, but only fragments and memories. Some of the alters are children. What aspect of this case is unusual?
A. It is unusual for a person with DID to have 17 alters. B. It is unusual for a person with DID to have alters that are very different from the host personality. C. It is unusual for a person with DID to have fragmentary alters. D. No aspect of this case is unusual.
Two-year old Salomé placed a crayon on paper and quickly drew a line across the page, explaining, “Car zooms!” Which statement best describes Salomé’s drawing progress?
A) Her gestures rather than the resulting scribbles contained the intended representation. B) Her gesture made a recognizable shape, and then she labeled it. C) She used lines to represent the boundaries of objects. D) Her drawing was complex and realistic.