RESEARCH METHODS - Reliability and validity

Question 1

Define: statistical significance

Answer 1

an indication of how likely it is that the results obtained from research could have occurred by chance.

Question 2

How is statistical significance determined and when is something said to be statistically significant?

Answer 2

Determined by p value (probability)

A p value of p

Question 3

Define: validity

Answer 3

whether an experiment measures what it aims to measure

Question 4

Define: internal validity

Answer 4

If the design of the research is specific enough to conclude that the DV was affected by the IV

Question 5

Define: external validity

Answer 5

If conclusions can be generalised to the whole population from which the sample was drawn from

Question 6

Results can be ________ even if _______, but can’t be _____ unless ________.

Answer 6

Results can be reliable even if invalid, but can’t be valid unless reliable.

Question 7

Define: reliability

Answer 7

how consistently the test assesses

what it is supposed to assess each time it is given