types of variables

Question 1

what are extraneous variables

Answer 1

factors that may have unwanted effect on DV
experimenters try to establish control or eliminate them

Question 2

what are confounding variables

Answer 2

when EV isnt controlled and does influence DV
no longer measuring effect of IV on DV

Question 3

what are situational variables

Answer 3

EVs found in the environment they study is conducted in
eg. noise, time

Question 4

what are participant variables

Answer 4

EVs found in the ppts
may bring different characteristics that could effect DV
eg. motivation, age, skills, personality