variables

Question 1

aims definition

Answer 1

statement of purpose of study- what they intend to investigate

Question 2

hypothesis

Answer 2

clear, precise, TESTABLE statement about IV, DV etc

Question 3

directional meaning

Answer 3

states direction of difference

Question 4

non-directional meaning

Answer 4

does not state direction of difference

Question 5

correlational directional

Answer 5

states direction of relationship eg, a positive correlation between X and Y

Question 6

correctional non-directional

Answer 6

does not state direction of relationship, eg, there will be a correlation between X and Y

Question 7

variables

Answer 7

anything that varies/ changes within an investigation

Question 8

DV

Answer 8

what is measured

Question 9

IV

Answer 9

what is changed

Question 10

operationalisation meaning

Answer 10

clearly defining variables in terms of how they can be measured and it must be observable, measurable and objective eg
,variable- older adults
operationalised - 60+ years

Question 11

extraneous variables meaning

Answer 11

variables other than the IV that can affect DV IF NOT CONTROLLED

Question 12

confounding variables

Answer 12

variables other than IV that may have affected DV, we are UNSURE what had caused any changes to DV

Question 13

what are the two levels to IV

Answer 13

control

experimental condition

Question 14

What to write for extraneous variables if unsure

Answer 14

characteristics of psychologist and instructions given, to remedy this use standardised instructions