Issues in psychological research

Question 1

what does it mean when a test is “valid”

Answer 1

when it measures what it claims to meaure

Question 2

what does it mean when it lacks validity? ( 2 things)

Answer 2

doesn’t measure what it says it measuring
- confounding and extraneous variables affect it.

Question 3

what are 2 ways we can assess validity?

Answer 3

face and concurrent validity

Question 4

what is face validity?

Answer 4

looking directly at test to see if it actually measuring what it says it measuring

Question 5

what is concurrent validity?

Answer 5

measuring your test to another test which is known to be valid and testing what your testing

Question 6

what is reliability?

Answer 6

when results are consistent every time the study is repeated

Question 7

what is internal reliability?
what is external reliability?

Answer 7

how consistent answers are within the test
2) results are consistent every time it is repeated

Question 8

how do you asses internal reliability of test?

Answer 8

split half method
- after testing them you split the questions in half section a and section b and total it up
- if they have the same scores, you can say it internally reliable or if one is higher than the other its not internally reliable

Question 9

how do you test if a test is externally reliable?

Answer 9

the test-retest method
- test them once
- and the test them again on another day