Experiments (Edexcel A-Level Psychology): Flashcards
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10 cards from this deck
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Practise the cards
10 cards from this deck
Laboratory experiment
Laboratory experiment
Experiment in controlled environment
Field experiment
Field experiment
Experiment in natural environment, IV manipulated
Independent variable (IV)
Independent variable (IV)
Variable manipulated/changed by researcher
Dependent variable (DV)
Dependent variable (DV)
Variable measured; result of experiment
Directional hypothesis
Directional hypothesis
Predicts direction of outcome (based on strong evidence)
Non-directional hypothesis
Non-directional hypothesis
Predicts difference but not direction of outcome
Null hypothesis
Null hypothesis
Predicts no difference; results due to chance
Independent groups design
Independent groups design
Participants in one experimental condition only
Repeated measures design
Repeated measures design
All participants take part in all conditions
Ecological validity
Ecological validity
Extent research can be generalised to real-life situations
