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Feedback on Psycho Exam

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1 Feedback on Psycho Exam
1. Give answer scheme AND instruction. 2. Might be a good idea to give results to DIFFERENT answers. Results need to have NUMBERS in them. 3. Three points here. Name and explain the guideline. Say why it is a problem when investigating CRIME. Say how you would overcome it.

2 4. Did you give enough detail for a complete stranger to REPLICATE exactly what you did?
5. Generally well identified but relate SPECIFICALLY to YOUR observation i.e. don’t just waffle about demand characteristics but give an example from one of your categories. 6.Same again. “My categories should have been clearer” is far too VAGUE. Give examples.

3 7.Identify, describe, explain in relation to how you obtained YOUR sample.
8. Good. Don’t forget NUMBER 9. Three points need to be made here x 2. Relate to YOUR experiment e.g. “The fact that my participants were smartly dressed may have affected their judgement about the formally dressed person in my experiment.” if you are referring to bias.

4 10. Good. Some of you need to clarify your hypothesis slightly.
11a. As well as saying whether the null was SUPPORTED or REJECTED, you need to write out the WHOLE conclusion. “There was a significant positive correlation between x and y.” 11b Not well done. See handouts. LEARN! 12. Slight positive correlation Individual differences: one child had a high TV viewing score but a relatively low aggression score.

5 Activity C State the statistical test you used.
“The Mann-Whitney (U) test was used to analyse the results.” State the calculated value you found. “The calculated value was found to be 23” State the critical value you found and its level of significance. “The critical value was 27, at a level of significance of p<0.05” State the next stage: “As the calculated value was lower than the critical value, the results were found to be significant at a level of p<0.05. This means that the probability that the results occurred by chance is less than 1 in 20. Relate to the hypothesis: “Therefore the hypothesis is supported. There is a significant increase in women’s ability to shop indefinitely compared to men’s, at a level of significance of p<0.05”


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