Author Question: Practice effects are a major problem with . a. cross-sectional designs b. longitudinal designs ... (Read 157 times)

kamilo84

  • Sr. Member
  • ****
  • Posts: 495
Practice effects are a major problem with .
 
  a. cross-sectional designs
  b. longitudinal designs
  c. time-lag designs
  d. sequential designs

Question 2

If participants at the end of a longitudinal study tend to be those who were initially higher on some variable, then we have a case of
 
  a. negative selective survival.
  b. positive selective survival.
  c. elective selective survival.
  d. equally selective survival.



brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

ANSWER: b

Answer to Question 2

ANSWER: b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

For a complete list of videos, visit our video library