Reliabilty

Question 1

What is reliability?

Answer 1

Consistency

Question 2

What is inter rater reliability?

Answer 2

The extent to which two or more observers agree

Question 3

What is inter rater reliability measuring?

Answer 3

Correlation between an observation that two or more observers have made about an observation

Question 4

What is internal reliability?

Answer 4

A measure of how consistent within itself eg all the questions should be measuring the aims of a study

Question 5

What is external reliability?

Answer 5

Measure of consistency over several different occasions
Eg conducting the same interview over and over again and getting the same results

Question 6

What is the split half method?

Answer 6

One group of participants are given a test once
Participants answers are divided in half and compared
The two half’s should be similar
Can be compared by calculating a correlation coefficient

Question 7

What is the test retest method?

Answer 7

Assess external validity
Group of participants is interviewed once
And then some time later on a different occasion
The answers compared should be the same

Question 8

How to deal with issues of reliability in self reports

Answer 8

Questions can be removed to see if the split half test returns a high reliability score
In external reliability, the questions may be poorly written and cause confusion