Validity (Accuracy)

Question 1

Internal validity

Answer 1

• Controlled conditions.
• Lab experiments have good validity.
• Poor internal validity in the real world.

Question 2

External validity

Answer 2

• Ecological validity.
• No control.
• Good validity in the real world.
• Poor ecological validity in labs.

Question 3

Validity issues:
Researcher bias

Answer 3

• Results influenced by the researcher.
• Results have poor validity.

Question 4

Validity issues:
Demand characteristics

Answer 4

You act how you think the researcher wants you to act.

Question 5

Validity issues:
Social desirability

Answer 5

• Writing untruthful things to make yourself look good.
• Causes bias / inaccurate results.

Question 6

Assessing validity:
Concurrent validity

Answer 6

• The amount of agreement between 2 different assessments.
• Compare your measuring tool with someone else’s measuring tool.

Question 7

Assessing validity:
Predictive validity

Answer 7

How accurately something will be predicted.

Question 8

Assessing validity:
Face validity

Answer 8

• Look at the test.
• Look at what it is measuring.
• Does it appear effective?

Question 9

Assessing validity:
Content validity

Answer 9

Do all questions measure the content?