A Study by Orth and Colleagues (2010) Was Conducted to Study

Multiple Choice

A study by Orth and colleagues (2010) was conducted to study the development of self-esteem over time. They were interested in changes in self-esteem at various ages and over time. They identified six different age cohorts (25-34, 35-44, 45-54, 55-64, 65-74, 75+) and examined their self-esteem ratings from 1986, 1989, 1994, and 2002. This type of design is best classified as a(n) _____.

A) cross-sectional method
B) interrupted time series design
C) sequential method
D) longitudinal study