Week 3

Question 1

Counterbalancing is employed to minimise extraneous variables, in other words…

Answer 1

counterbalancing aims to reduce impacts of order or carryover effects

Question 2

how would a researcher employ counterbalancing?

Answer 2

By testing different participants in different orders

Question 3

What is the difference between extraneous variables and confounding variables?

Answer 3

Extraneous variables refers to naturally occurring situational variables and individual differences, while confounding variables are an alternate explanation to changes in the DV and therefore ruins an experiment

Question 4

What can obscure a relationship between variables in a set of data?

Answer 4

Extraneous and confounding variables such as experimental error or time of day

Question 5

How can you remove confounding variables?

Answer 5

Keep experimental practices constant, or evenly distribute

Question 6

How many levels levels of the IV are there usually?

Answer 6

two

Question 7

What is an operational definition? Provide examples

Answer 7

a description of the ways in which a researcher is going to measure behaviours or qualities