Reliability & Validity

The type of reliability that is assessed by the test-retest method

The type of reliability assessed by the split-half method

2 statistical tests that could be used to determine reliability

• Chi square

• Spearmans rho

• Pearsons product

• Mann whitney

Ensuring behavioural categories don't overlap is one way of improving the reliability of ...

• Experiments

• Interviews

• Observations

• Questionnaires

The extent to which results can be generalised across time is what type of validity?

The extent to which the the IV is responsible for changes to the DV refers to ...

• Internal validity

• Ecological validity

• External validity

• Population validity

Comparing a new test with one that already exists and is a well-established and valid test of the same variable. What way of assessing validity does this refer to?

P's may improve/decline in performance as a result of doing the same task twice in a row. What type of potential extraneous variable does this describe?

• Experimenter bias

• Situational variables

• Order effects

• Demand characteristics

Whether a measure is actually measuring what it claims to be measuring - this refers to ...

• Reliability

• Validity

Establishing consistency across different researchers is known as inter-rater reliability

• False

• True