Revision 1A

Question 1

Aim

Answer 1

a statement outlining the purpose of an investigation

Question 2

Hypothesis

Answer 2

a testable prediction about the outcome of an investigation

Question 3

Population

Answer 3

the group of people who are the focus of the research and from which a sample is drawn

Question 4

Sample

Answer 4

a finite group of participants drawn from the target population

Question 5

Independent variable

Answer 5

The variable for which the conditions are manipulated by the researcher and have direct effect on the dependant variable

Question 6

Dependant variable

Answer 6

the variable the researcher measures

Question 7

Operationalisation

Answer 7

Turning abstract concepts into measurable observations. (e.g.- performance at school —-> yearly grade reports)

Question 8

Controlled variables

Answer 8

Variables other than the IV that a researcher holds Constant to ensure changes in the DV are solely due to changes in the IV