AQA Key study: secure/insecure attachment

AQA (A) Key study: Secure and insecure attachment

Ainsworth and Bell (1970) The Strange Situation


  • The concept of validity refers to the extent to which a measurement is actually assessing something that is real. Reliability concerns the extent to which a measure is consistent – the test should give the same result every time it is used.
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AQA Key Psychology Studies
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