Variables

Question 1

What is an independent variable?

Answer 1

manipulated by the experimenter (assumed to have a direct effect on the dependent variable)

Question 2

What is a dependent variable?

Answer 2

measured by the experimenter

Question 3

What is an operational variable?

Answer 3

how you will define and measure a specific variable as it is used in your study

Question 4

What is an extraneous variable?

Answer 4

“extra” variables that may influence the outcome of an experiment but aren’t taken into account during measurement

Question 5

Name 4 types of extraneous variable

Answer 5

1. Situational variable
2. Participant variable
3. Investigator effects
4. Demand characteristics

Question 6

What is a confounding variable?

Answer 6

where an extraneous variable affects one condition of the IV and not the other (variables that could go on to affect the results of the experiment)