RM- Variables

Question 1

What is an extraneous variable?

Answer 1

A variable that may affect the dependent variable- minor variables

Question 2

What is a confounding variable?

Answer 2

A major variable that can throw the results completely

Question 3

3 types of extraneous variables

Answer 3

Participant
Situational
Participant reactivity

Question 4

What are demand characteristics?

Answer 4

May result in desired characteristics by the participants

Question 5

What is social desirability bias?

Answer 5

Participants acting in a socially desired way because they know they are being watched

Question 6

What are investigator effects?

Answer 6

Any effect of the investigators behaviour that may affect the research outcome

Question 7

Name 2 ways to solve extraneous variables

Answer 7

Randomisation

Standardisation

Question 8

What is randomisation?

Answer 8

Randomly doing things- no order

Question 9

What is standardisation?

Answer 9

All parts of experiment follow the same procedure with standardised instructions