Longitudinal Designs Are Better Than Cross-Sectional Designs for Studying Age-Related

question 19

Multiple Choice

Longitudinal designs are better than cross-sectional designs for studying age-related changes because they

• A)use random assignment.
• B)control for generational effects.
• C)use control groups.
• D)eliminate confounding.

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Definitions:

Intrauterine Device (IUD)

A small, T-shaped device inserted into the uterus by a healthcare provider as a method of long-term contraception.

Uterus

An organ in the female reproductive system where embryonic and fetal development occurs.

Diaphragm Users

Individuals who use a diaphragm, a form of birth control that is placed inside the vagina to cover the cervix and prevent pregnancy.

Contraceptive Foams

A form of birth control that is inserted into the vagina before intercourse to prevent sperm from reaching an egg.