The tendency for predictive validities to decrease when the study ...

[K@]

The tendency for predictive validities to decrease when the study is repeated is the statistical concept of
 
  a) Regression
  b) Shrinkage
  c) Devaluing
  d) Collinearity

Question 2

The most commonly used correlation coefficient that is used when the data is quantitative and has a linear relationship is known as
 
  a) Pearson product moment correlation coefficient
  b) Spearman rho correlation coefficient
  c) Point biserial correlation coefficient
  d) Phi coefficient

[jonathanballen97]

Answer to Question 1

b

Answer to Question 2

a

[K@]

Thanks for the timely response, appreciate it

[xiaomengxian]

Gracias!