Question

A repeated-measures design would be appropriate for which of the following situations?

A researcher would like to study the effect of advanced training on sales figures.

A researcher would like to compare individuals from at least two populations.

The effect of a new initiative is studied in a small group of individuals with rare skills.

None of these situations


Which of the following is an independent-measures design?

Different participants perform in each condition.

Each participant is tested twice, once in each condition.

All participants perform in every condition.

None of these situations

Answer 1

The design of the experiment is an indication of the allocation of the

participants in the experiment to different groups.

The responses are;

• First Part: A repeated-measures design is appropriate for; A researcher would like to study the effect of advanced training on sales figures.

• Second Part: An independent-measures design is one in which; Different participants perform in each condition.

Reasons:

First Part:

A repeated-measures design is a testing procedure used during an

investigation that makes use of the same group or sample set, but taking

measurement of the members of the set under two different conditions or

at two different times.

Therefore;

A repeated-measures design would be appropriate in the situation where; A researcher would like to study the effect of advanced training on sales figures.

Second Part:

An independent-measures design is one that compares the properties

within two samples, such that the information in the population is not

required. It is a between-groups design, such that different participants

are used for the different conditions of the independent variable.

Therefore;

The option that is an independent-measures design is; Different participants perform in each condition.

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