Of the following, which provides the most valid and reliable data about individuals as they progress through various stages of development?
Of the following, which provides the most valid and reliable data about individuals as they progress through various stages of development? Correct Answer longitudinal studies
D Longitudinal studies follow the same group of people for a longer period of time. They are tested at several points, thus providing reliable data about age effects. Cross-sectional studies may be confounded by the cohort effect and are not as valid for measuring age effects.