research issues

Cards (9)

what are extraneous variables
a variable, other than the iv, that may affect the dependent variable if not controlled
examples of extraneous variables
time
temperature
test anxiety
motivation levels
noise levels
affect of extraneous variables
'muddy' the experimental water
making it hard to detect the results of the iv
what are confounding variables
an outside factor that influences the relationship between the independent and dependent variables in an experiment
affect of confounding variables
they can affect the dv and negatively impact the researcher findings
what are demand characteristics
any cue in an experimental setting that inform participants of the study's purpose, potentially influencing their behaviour which affects the results
what is the 'screw-u effect'
participants deliberately under-perform to sabotage the results of the study
what is the 'please-u effect'
participants act in a way they think is expected and overperfom to please the experimenter
what type of variable are demand characteristics
extraneous variable- because the participants behaviour is no longer natural