research methods

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  • Created by: emily.w.7
  • Created on: 29-01-19 15:18
Give the 3 main purpouses peer review
Allocation of research funding, publication of scientific journals and assesing the research rating of uni departments.
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Give 2 advantges of peer review
Makes data of a higher quality and stops invalid data from being referred to the public
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Give to disadvantages of peer review
Publication bias and the journals prefer to publish positive results and some may have preference against research that challenges accepted theories
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Briefly outline economic psychology
It is a part of behavioral psychology that ivestigates peoples behavior in their economic lives and the effects of factors on economic decisions and is concerned with if the economic behavior is rational or not.
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When would it be apropriate to use the sign test
when data is paired or related from data gathered from matched pairs or repeated measures design.
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what must the value of s be for it to be significant?
must be equal to or less that the critical value
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what are the 4 steps of the sign test?
state the hypothesis, calc the differences between the scores, add up the pos and neg signs and use the table to compare the calc value and the critical value.
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Name the 5 types of sampling
random, volunteer, oportunity, stratified and systematic.
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What are the main ethical issues
protect, informed consent, deception, confidentiality and right to withdraw.
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What type of data do correlations concern?
secondary
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What do correlations present?
the strength of the relationship between two variables
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what is a meta analysis
when a researcher looks at results from a number of studies and uses theese stats to draw a conclusion about the overall effect.
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Give two advantages of corelations
Allow for subjects to be inv that would otherwise be unpractical or unethical, and it is also presise allowing you to see the strength and direction of the correlation.
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Give two disadvantages of correlations
can only measure linear relationships, and a misinterpretation may mean that inacurate conclusions may be drawn.
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what are the measures of central tendency ?
mean, median and the mode
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what is the measure of dispersion
The range
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How would you turn qualitative data into quantative
by creating categories apporopriate to the investigation and tally how many times one of them ocurs
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what is the difference between primary and secondary data?
primary data has been collected from a first hand experience whereas secondary data was collected by someomne else or for a purpouse other than the current one.
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what is the difference between how the IVs are in natural and quasi experiments
natural= naturally ocuring and quasi =a diffference between people
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what makes a correlation different from an experiment
the is no IV, cant assume cause and effect, looks at relationships
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which side would the distrubution curve lie for a positive skew
left
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Card 2

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Give 2 advantges of peer review

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Makes data of a higher quality and stops invalid data from being referred to the public

Card 3

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Give to disadvantages of peer review

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Card 4

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Briefly outline economic psychology

Back

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Card 5

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When would it be apropriate to use the sign test

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