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RESEARCH METHODS
Features of a science
replicability
objectivity
theory construction
hypothesis testing
use of empirical methods
Conventions of reporting on psychological investigations
abstract
introduction
method
results
discussion
references
appendies
Reliability and validity
Internal reliability
Internal validity
External reliability
External validity
Statistical tests
Chi square
Mann-whitney
Wilcoxon
Spearman's Rho
Levels of measurement
Interval
Ordinal
Nominal
Others
Critical values
Degrees of freedom
Peer review…read more

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Features of a science
- data should be measurable
- should not be biased by opinion or expectation
Objectivity -
-
high level of control is essential to maintain objectivity
Empirical methods (e.g.…read more

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Reporting psychological investigations
Abstract = Overview of the whole report to enable the reader to
decide whether to read on (whether its relevant to them)
= Provides context for the study
Intro - describes existing studies and theories in that field
- ends with aims and hypotheses
Method = Description of the sample, procedure and materials
(e.g.…read more

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MAIN AIMS
1. Allocate research funding
- whether or not to award funding for a
proposed research project
2. Validate the quality and relevance
- all elements are assessed for quality
and accuracy
3. Suggest amendments
- to conclude whether or not the work is
appropriate for publication
- can be withdrawn
Evaluation
1. Anonymity
- more honest reviews if peer reviewers are anonymous
- HOWEVER a minority of reviewers use their anonymity to criticise rival researchers
2.…read more

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Reliability and Validity
Reliability = consistency of research
Internal = consistency within a test
External = can repeat the test and gain similar
findings
Validity = extent to which a test measures what
its supposed to
Internal = is the IV changing the DV
External = can we generalise findings
ASSESSING RELIABILITY & VALIDITY...…read more

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Statistical tests
1. Are you looking for a difference or relationship?
2. Which level of measurement is the data?
3.…read more

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Levels of measurement
Interval = data is measured in equal units (e.g. Temperature)
Ordinal = ordered in ranked data or
subjective data (scores are equally spaced)
Nominal = Number of people who fall into each category
- categories of data
e.g.…read more

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Significance and probability
-inferential tests provide a means of assessing whether any pattern
in data collected id=s meaningful or significant
-probability = likelihood that a pattern of results could arise by
chance
-probability levels represent acceptable levels of risk (e.g.
p<0.…read more

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Comments

EmmaConnieRusso

Just wanted to say this looks really good and concise! Thank you for sharing :) 

charlotteT

This is a fantastic resource and has really helped me understand research methods! thank you

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