CONTROLLING VARIBLES

Question 1

Types of variables

Answer 1

• Independent varaible.
• Depedent variable
• Co-variables

Question 2

What is an iv?

Answer 2

• The variable under investigation in an experiment.
• That is manipulated and assumed to be responsible for changes in the DV.

Question 3

What is an dv?

Answer 3

• The varible that is measured in an experiment.
• And is expected to change due to changes in the IV.

Question 4

What is a co-varible?

Answer 4

• 2 varibles which have a relationship and are investigated in a correlation.

Question 5

Define operationalisation

Answer 5

• Clearly defining a variable so that it can be accurately measured.

Question 6

What are extraneous varibles?

Answer 6

• Any other variable that is not being investigated that can influence the DV.

Question 7

Confounding variable

Answer 7

• A type of extraneous varible.
• That acts systematically on one level of the IV.
• That may impact the relationship between the IV and DV

Question 8

Uncontrolled varibles

Answer 8

* Any extraneous variable that is not adequatley controlled/ accounted for in the research design

Question 9

Situational variable

Answer 9

• A type of confounding variable
• That occurs due to enviromental influences that can affect the dv.

Question 10

Participant variables

Answer 10

• Individual differences between ppts that could affect their behaviour in a study.

Question 11

Investigator effects

Answer 11

• When a researcher (consciously or unconsciously) acts in a way to support their prediction.

Question 12

Demand charateristics

Answer 12

• Cues in the experimental procedure that might indicate the study aims to ppts.
• Which can lead to ppts altering behaviors to match perceived experimenter aims.

(to please the researcher or disrupt the results by doing the opposite of what is perceived to be expected)