Hypotheses and Operationalising Variables

Question 1

What is the forst this a psychologist kust do when undertaking a piece of research?

Answer 1

find what they aim to investigate and come up with a hypothesis

Question 2

What is a hypothesis

Answer 2

a testable statement

Question 3

What should a hypothesis contain?

Answer 3

• both consitions of IVs (operationalised)
• DV
• “significant”

Question 4

What are the 3 types of hypotheses?

Answer 4

Directional, non-directional and Null

Question 5

What is a directional hypothesis?

Answer 5

Clearly states the outcome
Used if there is prior research to suggest the outcome of the investigation
“higher” “lower” “more” “less”

Question 6

What is a non-directional hypothesis?

Answer 6

There will be a “significant difference” between the two conditions of the I’ve
No prior research to predict outcome

Question 7

What is a null hypothesis?

Answer 7

All experiments must have one
After experiment, researcher decides to accept experimental hypothesis or null hypothesis
“no difference”

Question 8

What is an independent variable?

Answer 8

what you change

Question 9

What is a dependent variable?

Answer 9

What you measure

Question 10

What is operationalisation?

Answer 10

to make a variable measurable
whoch makes it specific and clear for someone to replicate