experiments and generalisation issues Flashcards
what are investigator effects
when a researcher unconsciously conveys to participants how they should behave
what do investigator effects cause
researcher bias
what can researcher bias be
design of the study, selection and interaction with participants and interpretation of the data
what are demand characteristics
all clues in the study which convey to the participant the purpose and aim of the research.
what can demand characteristics do
change the results of an experiment if participants change their behaviour to conform to expectations
what is mundane realism
how a study mirrors the real world
what is experimental realism
how meaningful and engaging to participants the study is
what can experimental realism cause
responses which are spontaneous and natural
what can help deal with investigator effects and demand characteristics
experimental realism, single blind procedure and double blind procedure
what is publication bias
the influence of the results of the study (if results are statiscally significant or agree with researcher aims)
what is publication bias also called
file drawer problem
why might a study be less likely to be published
if it has a null hypothesis then it is less likely to be published compared to studies with significant results
