Key terms Flashcards
Reliability
How consistent the results are.
If repeated are the results the same?
Validity
How well an experiment measures what it claims to measure
Ecological validity
How well the results to an experiment reflects the results which would be found world wide
Social desirability
A participant changing their behaviour as they don’t want to be seen as wrong, to fit into society.
Demand characteristics
Cues / information within a study which may prove to a participant the aim or hypothesis of the study is which can influence their behaviour
Acquiescence bias
Normally found in questionnaires.
When individuals select the positive answer not because they agree but because they want to get it over with. They do not give their ‘true’ preference.
Inter-observer reliability
Used to estimate reliability.
Measures the extent to which different individuals generate the same records when they observe the same sequence.
Pilot Study
A practise run to see if the study will work, which helps save money.
Qualative data
Longer answer questions.
Does not include numbers.
Harder to analyse
Quantitive data
Numerical data
Easier to analyse
Sample Bias
When the sample does not reflect the target population, and therefore the results cannot be generalised.
Experimenter Bias
When the beliefs / actions of the experimenter affect how participants will behave.
May be as they want to achieve their desired outcome.
