Basics of experiments Flashcards

aims and hypothesis

1
Q

what is an aim?

A

statement of what the researcher intends to find out/ investigate in a study

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is a hypothesis?

A

a clear precise prediction about the difference or relationship between the variables

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is a directional hypothesis?

A

predicts the specific expected direction of the difference e.g more, less, etc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is a non directional hypothesis?

A

predicts that there’ll be a difference but not what the difference will be

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is the independent variable?

A

the variable manipulated to cause an effect on the other variables

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the dependent variable?

A

the variable affected by the IV and measured by the experimenter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is a variable?

A

factor/characteristic/thing which can cause effect or change

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the extraneous variable?

A

Extra variables controlled by the experimenter which may have an effect on the DV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

define operationalisation

A

defining variables in a specific way so that it can be tested, specifying how the IV is changed in all conditions and how the DV is measured in a quantifiable way
- makes experiments replicable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly