Research Involving Time-Spans

Question 1

compares samples that represent a cross-section of people who vary in age. (comparing the differences between people in different age groups)

respondents are only measured once (not expensive nor time consuming.)

Answer 1

Cross-sectional Research

Question 2

Being born in different time-periods has varying impacts on individuals.

Answer 2

Cohort Effect

Question 3

studying group of people who are the same age and measuring them again over a period of time.

this allows study differences in individual development. this can be done in a span of months or years.

disadv: very time consuming and expensive

Answer 3

Longitudinal Research

Question 4

when participants fail to complete all portions of a study

Answer 4

Attrition (Longitudinal Research)

Question 5

happens when participants become better at a task over time because they have done it again and again (not because of natural psychological dev)

Answer 5

Practice Effect (Longitudinal)

Question 6

includes both longitudinal and cross-sectional research designs.

Answer 6

Sequential Research