Astudy by caspi, henry, mcgee, moffit, and silva (1995) revealed temperamental style in early childhood might be linked to adjustment problems during adolescence. the study involved a cohort of 1,037 children born between april 1, 1972 and march 31, 1973 in dunedin, new zealand. 1. what type of research design is used in this study (i. e. cross-sectional, longitudinal, experimental, correlational, or naturalistic observation)? is this design appropriate? why or why not? 2. what explanation do the researchers offer for their findings? does this explanation make sense on the basis of the evidence? 3. given the results of this study, why can't the researchers draw a causal connection between behavior disorders and temperament? 4. can you think of an alternative explanation for the results of this study?