Type 1 error – error

The latest edition (3rd edition) of our A2 Complete Companion has an error on page 285. The two blue boxes under the heading ‘Truth’ are in the wrong order. It should be H1 is correct (There is something going on) first and then H0 (There is nothing going on) second). The true positive occurs when the […]

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AQA and the multi-store model

In the January 2011 Unit 1 exam there was a question related to the multistore model (question 4). I was somewhat concerned to find the following comment in the report on the exam ‘A number of answers suggested that the concepts of maintenance and elaborative rehearsal were part of the MSM. Maintenance and elaborative rehearsal were […]

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Majority influence – just complying?

Asch’s classic study judging the length of lines demonstrated people will go along with majority opinion even when the answer is clearly wrong. One of the key questions was whether they were just going along with the answers (called ‘compliance’), or whether the majority influence actually changed their opinions (i.e. they internalised the majority view). […]

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The mirror test

The mirror test (sometimes also called the mark or rouge test ) is used to assess self-awareness in babies. A smudge of red colouring is placed on the infant’s nose and then they are placed in front of a mirror. If the infant responds by touching the mirror they have no self-awareness whereas if they touch the […]

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Stress: Which comes first SAM or HPA?

We recently received the question above from Claire Matthews of The Castle School in Bristol and thought some of you would be interested in the answer: The SAM system concerns the adrenal medulla and the release of adrenaline/noradrenaline which has the effect of creating physiological (sympathetic) arousal and producing the fight or flight response. The HPA access concerns […]

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