The closer the coefficient of correlation is to plus or minus 1, the greater will be the

The closer the coefficient of correlation is to plus or minus 1, the greater will be the
 
  a. effect size. c. strength of the correlation.
  b. significance of the study. d. standard error.

Ques. 2

The size of the correlation between achievement test scores and school grades might be smaller in which population?
 
  a. Gifted 12-year-old students
  b. Grades three to five, including children with learning disabilities
  c. Nontraditional college students
  d. None of these are true.

Ques. 3

Which standard score has a mean of 0 and a standard deviation of 1?
 
  a. Percentile c. z-score
  b. T-score d. None of these are true.