11.4 Developmental Research Designs

Question 0

In a study using a ____-____ method, persons of different ages as studied at only one point in time.

Answer 0

cross-sectional

Question 1

Developmental psychologists often study the ways that individuals change as a function of ___.

Answer 1

age

Question 2

In the ____ method, the same group of people is observed at different points in time as they grow older.

Answer 2

longitudinal

Question 3

The cross-sectional method is much more common than the longitudinal method primarily because it is less ____ and immediately yields ____.

Answer 3

expensive, results

Question 4

A ____ is a group of people born about the same time, exposed to the same events in a society, and influenced by the same demographic trends such as divorce rates and family size.

Answer 4

cohort

Question 5

One disadvantage of a cross-sectional design is that the researcher must infer that differences among age groups are due to the ____ ____ of ___.

Answer 5

developmental variable of age

Question 6

In a cross-sectional study, a difference among groups of different ages may reflect developmental age changes; however, the differences may result from ____ ____.

Answer 6

cohort effects

Question 7

Longitudinal research is the best way to study how scores on a variable at one age are ____ to another variable at a later age.

Answer 7

related

Question 8

Longitudinal studies have one major problem: over the course of a study, people may ____, ___, or ____ ____ in the study.

Answer 8

move, die, or lose interest

Question 9

In the ____ ____, the first phase begins with a cross-sectional method; then the individuals are studied using a longitudinal method, with each individual tested at least one more time.

Answer 9

sequential method