A psychologist wishes to investigate whether the children who act most upset after parental divorce remain highly upset later, or whether they in fact become better adjusted in the long run as a result of "letting their feelings out" at first. This question calls for which kind of study?

A) a double-blind experiment
B) a cross-sectional study
C) a single-blind experiment
D) a longitudinal study

Question

Kaitlin Harris · Accepted Answer

Final Answer : D, Explanation :  A longitudinal study involves following a group of individuals over an extended period of time, making it the best choice for investigating whether the emotional response of children to parental divorce is stable over time or whether it changes. A double-blind experiment involves randomly assigning participants to two groups, with neither the participants nor the researchers knowing which group each individual is in, and manipulating an independent variable to see if it affects an outcome variable. A cross-sectional study involves comparing different groups of people at the same point in time. A single-blind experiment involves randomly assigning participants to two groups, with only the researchers knowing which group each individual is in, and manipulating an independent variable to see if it affects an outcome variable. Neither of these types of studies would be appropriate for investigating how the emotional response of children to parental divorce changes over time.

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