extraneous and confounding variables Flashcards
1
Q
when do confounding variables occur?
A
when extraneous variable(s) cannot be controlled
2
Q
what is is assumed with confounding and extraneous variables?
A
the IV( independent variable) will have a direct effect on the DV(dependant variable)
3
Q
in the example ‘does coffee effect heart rate’ what is the independent variable?
A
coffee
4
Q
what other variable is coffee?
A
manipulating variable
5
Q
in the same example of ‘does coffee affect your heart rate’, what is the dependant variable?
A
heart rate
6
Q
why is the dependant variable the dependant variable in the ‘ does coffee affect your heart rate’ experiment?
A
changes because of the coffee
