Research Methods: Reliability

Question 1

Reliability: definition

Answer 1

measure of consistency over time or between researchers

Question 2

Reliability: how to assess two methods

Answer 2

test retest
Inter rater reliability

Question 3

Reliability: Test-Retest

Answer 3

• experiment or questionnaire done again
• results are checked for a correlation of 0.8 or above
• MUST be enough tue between the tests to not remeber old answers or to much that the answeres change a lot

Question 4

Reliability: Inter-Rater reliability

Answer 4

• observers conduct observation in teams of at least two
• check their finding against one another
• use behavioural categories to avoid subjectivity boas

Question 5

Reliability: It ain’t great if it ain’t…

Answer 5

plus point eight!

Question 6

Improving Reliability: questionnaires

Answer 6

• if less than 0.8 questions to be re-written as they could be ambiguous
• closed qs are the best

Question 7

Improving Reliability: Interviews

Answer 7

• Unstructed are the less reliability
• however interviewers can often ask qs in a differnt style or intention -> so should always be the same person asking qs

Question 8

Improving Reliability: Experiements

Answer 8

• labs are te best as they are controlled but all the conditions must be standardised
• field have the least reliability

Question 9

Improving Reliability: observations

Answer 9

• behavioural categories that cover all behavours