Part of the explanation for the dramatic rise in the typical ages of entering marriage and parenthood today in developing countries is participation in tertiary education as preparation for entry into the workforce

Clinicians can be faced with so many choices of observational assessment instruments that it can be difficult for them to know which ones would be best in any given situation

Indicate whether the statement is true or false

In which type of study are the effects of age and the effects of time of measurement confounded with one another?

a. Correlational b. Cross-sectional c. Longitudinal d. Sequential