Reliability of observations

Question 1

How do you assess the reliability of observations?

Answer 1

Inter observer reliability

Question 2

How is inter observer reliability carried out?

Answer 2

1-two observer who are trained and told how to use behavior categories
2-conduct observation separately and observe the same behavior for same time and independently record there results
3-tallies of observers is compared
4-made into correlation with correct stats
5-strong correlation of 0.8+ shows high reliability

Question 3

How can we improve the reliability of observations?

Answer 3

-operationalisation
-have two observers

Question 4

How do you assess a self report?

Answer 4

Test retest.

Question 5

Explain how to carry out test retest.

Answer 5

1-ppt given a interview or questionnaire to complete
2-same questions asked after a time delay
3-compare on a scattergraph and then correlate the questionnaire or interview
-a strong positive correlation of 0.8+ shows a positive correlation

Question 6

How do you improve the reliability of a questionaire?

Answer 6

makes questions clear and understandable this can be done with a pilot study

Question 7

How could you improve the reliability of interviews?

Answer 7

using set questions

Question 8

What is the general way to assess reliability?

Answer 8

Test retest

Question 9

Explain the general test retest.

Answer 9

1-ppt given task to complete
2-ask to do same task after a time delay
3-correlate results with appropriate statistical test
4-a strong positive correlation of 0.8+ shows high reliability