reliability

Question 1

What is reliability ?

Answer 1

Refers to how consistent findings are so reliable results are suggestive that you have found an accurate / valid result

Question 2

What are the two types of reliability?

Answer 2

Internal and external

Question 3

What is internal reliability ?

Answer 3

Extent to which a measure is consistent WITHIN itself and eaxh part should consistently measure the same thing

Question 4

What is external reliability?

Answer 4

Consistency of measure over time across studies time situation and people

Question 5

2 ways to assess relaibility

Answer 5

Test / retest
Inter observer reliability

Question 6

What is test / retest ?

Answer 6

Testinf the same group of participants on more than one ocassion and they should have positive correlation to be reliable
This assesses external reliability over a period of time

Question 7

What is inter observer reliability ?

Answer 7

Two seperate observers rate / cose the different types of behaviours at the same tome . They work independently and compare recordings at the end of the observation
This assesses external reliability across people

Question 8

How to improve reliability in questionnaires ?

Answer 8

Change some questions - open to closed
Make questions clear and consise
Consistent response options

Question 9

How to improve the reliabilty of interviews ?

Answer 9

Training for interviewers
Same interviewer used and phrased in the same way
Structured interviews with fixed questions rather than unstructured interviews

Question 10

How to improve the reliability of experiments ?

Answer 10

Controlled conditions like a lab
Standardised
Control EVs and CVs

Question 11

How to improve reliability in observations ?

Answer 11

Multiple trained observers
Video / record behaviour
Operationalise checklist