Which statistic estimates the average of all the possible ...

[anshika]

Which statistic estimates the average of all the possible split-half correlations but can only be used when each question has only two response alternatives?
 
  a. the Spearman-Brown formula
 b. the Kuder-Richardson formula 20
  c. Cronbach's alpha
 d. Cohen's kappa

Question 2

The _______________ forms the empirical basis for the research that has been conducted.
 
  Fill in the blank(s) with correct word

[dmurph1496]

Answer to Question 1

b

Answer to Question 2

literature review

[anshika]

Thanks for the timely response, appreciate it

[chereeb]

Great answer, keep it coming