Reseach Methods

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  • Created by: Reema
  • Created on: 30-09-14 19:22
Rebliabity
The consistency of the findings; how many findings can be trusted
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Valid
Accurate or true , measures what it claims
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Hypotheses
Testable statements making predictions about what will happen in an investigation
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Operationalise
To offer a clear set of criteria to describe how something will be set up or assessed or measured
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Variables
Factors that can change (or vary)
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Research hypothesis
A hypothesis that predicts a difference in the measured variable (change in DV due to IV) or correlation between variables
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Null hypothesis
A hypothesis that predicts no difference in a variable or no correlation between variables
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Correlation
A relationship between two variables
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Experimental hypothesis
A hypotheses used only in experiments which predicts a difference and has an IV and DV.
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Alternative hypothesis
A hypothesis which predicts a difference or correlation following a null hypothesis which predicts no difference/correlation.
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Independent variable
Something manipulated or set up in an experiment
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Dependent variable
Something that is measured after the independent variable my have had an effect on it
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Standardisation
The process of keeping variables the same
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Counterbalancing
The process of ensuring variables occur in all possible combinations am equal amount of times
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Randomisation
The process of deciding the order or use of variables by chance
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Order effect
Where behaviour is affected because participants take part in two or more conditions in a particular order.
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Practice effect
Where participants' performance improves across conditions through the familiarity with a task or environment
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Fatigue effect
Where participants' performances worsens across conditions because of tiredness/boredom
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Demand characteristics
Features or cues in an experiments which help participants work out what is expected of them (the aim of the experiment). Helpful participants may respond according to what they think is being investigated.
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Other cards in this set

Card 2

Front

Valid

Back

Accurate or true , measures what it claims

Card 3

Front

Hypotheses

Back

Preview of the front of card 3

Card 4

Front

Operationalise

Back

Preview of the front of card 4

Card 5

Front

Variables

Back

Preview of the front of card 5
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