The differences between groups of people who are 10 years apart ...

[rmenurse]

The differences between groups of people who are 10 years apart in age are called __________ effects.
 
  A) cross-sequential
  B) placebo
  C) cohort
  D) covariance

Question 2

Athena is designing a study to see how people's head circumferences change between childhood and adulthood. Unfortunately, she has only a few months in which to perform her study, so she decides to measure groups of 100 5-year-old children, 100 10-year-old children, 100 15-year-old children, 100 20-year-old adults, 100 25-year-old adults, and 100 30-year-old adults. Her research design is
 
  A) cross-sectional.
  B) longitudinal.
  C) latitudinal.
  D) cross-sequential.

[ultraflyy23]

Answer to Question 1

C

Answer to Question 2

A

[rmenurse]

Gracias!

[sultansheikh]

Excellent