the experimental method - definitions and explanations

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  • Created by: abi2422
  • Created on: 28-10-21 12:27
a research method that uses random allocation of participants and the manipulation of variables to determine cause and effect relationships
experimental method
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the degree to which participants in a sample have been selected without prejudice
bias
2 of 19
the establishment of cause and effect relationships through the use of controlled conditions in research settings
causality
3 of 19
the factor measured by researchers in an investigation to determine the effect of an independent variable
dependent variable
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the factor manipulated by researchers in an investigation
independent variable
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the process of defining variables into measurable factors
operationalisation of variables
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uncontrolled extraneous variables that negatively affect results
confounding variables
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variables, other than the IV, that may affect the measurement of the DV
extraneous variables
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variables concerned with participants themselves that could influence the DV
participant variables
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variables concerned with the experimental setting
situational variables
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variables concerned with changes in the personality, appearance and behaviour of researcher(s)
experimenter variables
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features of a research study that influence participants to unconsciously behave in an unnatural manner
demand characteristics
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experimental design where each participant performs just one condition of an experiment
independent groups design
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method of controlling demand characteristics whereby participants are unaware as to which experimental condition they are in
single-blind procedure
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a method of controlling investigator effects and demand characteristics where both researchers and participants are unaware of which experimental condition participants are in
double-blind procedure
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where characteristics of a researcher influence participants' responses in an investigation
investigator effects
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physical aspects of researchers can affect participants' behaviour
physical characteristics
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personal aspects of researchers can affect participants' behaviour, like their accent or tone of voice
personal characteristics
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researchers may be unconsciously biased to 'finding' or interpreting participants' behaviour in a way that supports their hypothesis, so they find what they want to find or expect to find
researcher bias
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Other cards in this set

Card 2

Front

the degree to which participants in a sample have been selected without prejudice

Back

bias

Card 3

Front

the establishment of cause and effect relationships through the use of controlled conditions in research settings

Back

Preview of the front of card 3

Card 4

Front

the factor measured by researchers in an investigation to determine the effect of an independent variable

Back

Preview of the front of card 4

Card 5

Front

the factor manipulated by researchers in an investigation

Back

Preview of the front of card 5
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