Friday, 13 May 2016

Types of reliability

1. Stability.
2. Equivalence.
3. Internal consistency.
1- Stability.
(“test-retest”): the degree to which two scores on the same instrument are consistent over time.
2- Equivalence.
(“equivalent forms”): the degree to which identical instruments (except for the actual items included) yield identical scores.
3- Internal Consistency.
(“split-half” reliability with Spearman-Brown correction formula , Kuder-Richardson and Cronback’s Alpha reliabilities, scorer/rater reliability): the degree to which one instrument yields consistent results. 

No comments:
Write comments

Theme images by MichaelJay. Powered by Blogger.

Follow by Email

Blog Archive

Social stratification

Definition Social stratification is one of the results of ongoing social processes taking place. Every society is segmented into differen...

footer

Labels