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Peer review
Peer review acts as a control mechanism and is central to
validating new knowledge
1) Psychologist writes up their study
2) Sent to a journal
3) Sent to the editor to examine
4) Editor sends it to other psychologists
who are experts in the area
5) Experts `Peer review' it
6) Send it to the editor with comments
and suitability to the journal
7) Editor decides whether to reject or
accept the article to publish
Values in science:
Psychologists…read more

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Hypothesis ­ 1 tailed or 2 tailed and WHY?
IV & DV ­ operationalized clearly
Sample Size ­ number of ppts & gender specific
Sampling Method ­ opportunity, random, volunteer and
Statistical Test ­ spearmans rho, Mann Whiteney and
Significance Level ­ p<0.05 and
Blind ­ single or double and WHY?
(Reduce demand char. & invest.…read more

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Debrief Them ­ say `thank you' explain real aim of study
and ask if they have questions. REMEMBER TO YOU 1ST
Internal Validity - measuring what you intended to measure.
­ control extraneous variables so they do not influence the DV
External Validity ­ findings can be generalized beyond the
context of the research situation
FACE ­ if the tool appears to be doing
what it should.…read more

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ECOLOGICAL ­ if findings can be applied to other contexts
and situations outside the research setting. Make sure the
circumstances of the investigation as real as possible
Internal Reliability ­ measures the
extent to which a test or procedure
is consistent within itself.…read more

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Participants take the same test on different occasions ­
a high correlation between test scores indicates the test
has good external reliability ­ demand characteristics
may occur as participants are bound to improve on the same
Consistency between different researchers working on
the same study.…read more

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Level of Significance ­
The level at which the null hypothesis is accepted or rejected
P 0.05
There should only be a 5% chance that the results of the
experiment is down to luck/chance
P 0.…read more

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When the `null hypothesis' is accepted but it is actually
e.g.…read more

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Statistical Tests
(Allow us to see whether the null hypothesis should be
accepted or rejected)
There is a different statistical test for each type of data ­
Non Parametric tests (used to test interval , ratio & nominal data)
1) Spearmans Rank ­ Correlation
2) Mann Whitney U test - Differences
3) Wilcoxon ­ Differences
4) Chi Squared ­ Association…read more

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Organise the data (e.g. for speech ­ count pauses,
describe tone)
Code the data (put into themes)
1. Content Analysis
The method by which you take qualitative data and analyse it in order
to draw quantitative conclusions
Convert qualitative data (words, pictures, meanings) into quantitative
data (numbers, graphs)
Find the main themes in the data
Inside each theme, code the data into units
Count these up in a tally chart
2. Discourse Analysis
Analysing speech (tone, pitch etc.…read more


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