Cross-sequential research:

A) usually lasts for the subjects' entire lifetime.
B) is hampered by the cohort effect.
C) combines longitudinal and cross-sectional research methods.
D) has too many ethical problems to be considered an effective research method.

Cross-Sequential Research

A research method combining both longitudinal and cross-sectional studies to analyze changes across different ages and cohorts over time.

Cohort Effect

Similarities in behavior among a group of peers that stem from the fact that group members were born at the same time in history.

Longitudinal

A study or research design that follows the same subjects over a period of time to observe changes or development.