Martinez Is Interested in How Thinking Changes in Adolescence and Early

question 118

Multiple Choice

Martinez is interested in how thinking changes in adolescence and early adulthood. She identifies two hundred 18-year-olds and has them respond to a written set of questions. She then waits four years, contacts them all again, and has them respond to a similar set of questions. Finally, she waits another four years, contacts the people again (who are now 26 years old) , and asks them one last time to respond to her questions. The study Dr. Martinez has conducted is best considered an example of:

• A) a longitudinal study
• B) a cross-sectional study
• C) a sequential-cohort study
• D) an age-cohort experiment

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Definitions:

Key Characteristics

Fundamental or defining attributes, qualities, or properties that distinguish an entity, concept, or theory from others.

Real-world Events

Occurrences or situations that take place in the actual environment, outside of controlled or artificial settings.

External Validity

Extent to which a study’s results can be generalized to phenomena in real life.

Generalized

A term often used in medical or psychological contexts to describe conditions, symptoms, or effects that are widespread or not limited to a specific body part or area of concern.