Deck 34: Why Do We Need Research Methods

Question 1

A Cronbach's alpha value of .85 for a questionnaire means that:

A) the questionnaire has good reliability.
B) the questionnaire is valid.
C) the questionnaire has too few items.
D) the questionnaire would produce similar scores if used on the same people at two different points in time.

Answer 1

the questionnaire has good reliability.

Question 2

An experimenter measured 30 children's IQ. He then rank ordered the children and assigned them a score from 30 (most intelligent) to 1 (least intelligent) to create a new variable. This new variable consists of:

A) ordinal data.
B) nominal data.
C) ratio data.
D) interval data.

Answer 2

ordinal data.

Question 3

If a psychological questionnaire is valid, what does this mean?

A) The questionnaire will give consistent results.
B) The questionnaire measures what it claims to measure.
C) The questionnaire has internal consistency.
D) The questionnaire measures a psychologically useful variable.

Answer 3

The questionnaire measures what it claims to measure.

Question 4

Discourse analysis is useful for research in which:

A) you are interested in one individual's personal constructs.
B) you are interested in how language is being used in certain contexts.
C) you are interested in comparing two or more individuals.
D) you are interested in comparing two or more groups.

Question 5

Which types of data are acceptable for discourse analysis?

A) Only interview data.
B) Only newspaper articles.
C) Only naturally-occurring conversation.
D) All of the above.

Question 6

If my null hypothesis is 'Dutch people do not differ from English people in height', what is my alternative hypothesis?

A) Dutch people are taller than English people.
B) English people are taller than Dutch people.
C) Dutch people differ in height from English people.
D) All of the above.

Question 7

When items on a questionnaire appear to correspond to the construct that the questionnaire claims to measure, it is said to have:

A) ecological validity.
B) factorial validity.
C) content valdidity.
D) criterion validity.

Question 8

In grounded theory you:

A) collect data to test a hypothesis.
B) analyze conversations pertinent to a theory.
C) derive theory from data.
D) use quantitative data.

Question 9

The degree to which a statistical model represents the data collected is known as the:

A) fit.
B) homogeneity.
C) reliability.
D) validity.