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What’s the difference between validity and reliability?

Research in psychology needs to produce results that are both reliable and valid. In order to do so, also the methods (measures) used in the studies need to reliable and valid.

Answered by Sheila C. • Psychology tutor

40786 Views

What are some methods of control in experiments?

Elimination: Removal of the extraneous variable (e.g. noise)

Constancy: Keeping the extraneous variable constant between two or more conditions (e.g. equal levels of noise)

Counter-bal...

Answered by Alice P. • Psychology tutor

5373 Views

Describe the characteristics and biological causes of APD (Antisocial Personality Disorder).

Characteristics:

- Lack of long-term/future planning. Makes poor decisions and is often impulsive

- Getting aggres...

Answered by Alice P. • Psychology tutor

10584 Views

What are some KEY evaluation points for psychological studies?

Generalisability & participant sample: Can the results be generalised and applied to larger settings or populations? Is the participant sample small (less than 20 participants) or large (better ge...

Answered by Alice P. • Psychology tutor

41125 Views

How to impress an examiner with effective essay writing (A01, A02,A03)

Psychology is the study of the mind, whereby scientists attempt to pinpoint the root cause or aetiology for underlying mechanism that prompt human or non-human behaviour.

It is essential to ke...

Answered by Harold K. • Psychology tutor

6605 Views