Reliability (in Survey Analysis):
In survey analysis, e.g. in psychometrics , reliability is a measure of reproducibility of the survey instrument or test. In other words, reliability is a measure of precision – i.e. it describes the random error of the survey instrument.
There are several types of reliability: test-retest reliability , alternate-form reliability , internal consistency reliability , Internal consistency reliability . intraobserver reliability , interobserver reliability .
Note: the term reliability has a different meaning in natural sciences and engineering (see reliability ).
See also: split-halves method
Browse Other Glossary Entries
Test Yourself
Planning on taking an introductory statistics course, but not sure if you need to start at the beginning? Review the course description for each of our introductory statistics courses and estimate which best matches your level, then take the self test for that course. If you get all or almost all the questions correct, move on and take the next test.
Data Analytics
Considering becoming adata scientist, customer analyst or our data science certificate program?
Analytics Quiz
Advanced Statistics Quiz
Statistics Quiz
Courses
Find the right course for you
Contact Us
We'd love to answer your questions
Our mentors and academic advisors are standing by to help guide you towards the courses or program that makes the most sense for you and your goals.
300 W Main St STE 301, Charlottesville, VA 22903
(434) 973-7673
ourcourses@statistics.com