1. Experimental Method (AS) Flashcards Preview

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Flashcards in 1. Experimental Method (AS) Deck (12)
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1
Q

What is an experimental method?

A

The manipulation of an independent variable to measure the effect on the dependent variable.

2
Q

What is a name?

A

A general statement of what the researcher intends to investigate, the purpose of the study.

3
Q

What is a hypothesis?

A

A clear, precise, testable statement the states the relationship between the variables to be investigated.

4
Q

What is a directional hypothesis?

A

The hypothesis that state the direction of the difference or relationship.

5
Q

What is a nondirectional hypothesis?

A

I hypothesis that does not state the direction of the difference or relationship.

6
Q

When should you use a nondirectional hypothesis?

A

When there is no previous research, or findings from earlier studies are contradictory.

7
Q

When should you use a directional hypothesis?

A

When the findings of previous research suggest a particular outcome.

8
Q

What is the variable?

A

Anything that can vary or change within an investigation.

9
Q

What is the independent variable?

A

Some aspect of the experimental situation that is manipulated by the researcher - or will change naturally - so the DV can be measured.

10
Q

What is the dependent variable in?

A

The variable that is measured by the researcher. (Any effect on the DV should be caused by the change in the IV)

11
Q

What is the control condition and what is it for?

A

The control condition is when participants in the study on not given anything or don’t take part, so there results can be used as a comparison with those that did take part.

12
Q

What is what is operationalisation and what is it for?

A

This is clearly defining variables in terms of how they can be measured. It is used to clarify the hypothesis.