Sir Francis Galton studied the phenomenon of extreme scores in a ...

[ts19998]

Sir Francis Galton studied the phenomenon of extreme scores in a distribution moving closer to the average score upon retesting. What is this phenomenon called?
 
  a. Regression to the mean
  b. Post-test outliers
  c. Average distributive property
  d. Residual analysis

Question 2

If researchers are carrying out longitudinal studies, their hypotheses often require the use of __________ designs.
 
  a. between-subject
  b. within-subject
  c. repeated measures
  d. both b and c

[janieazgirl]

Answer to Question 1

a

Answer to Question 2

d

[ts19998]

Gracias!

[recede]

Thanks for the timely response, appreciate it