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bekas [8.4K]
3 years ago
12

To study the effect of stimulus type on memory recall, Hayden had participants receive either an auditory or visual presentation

of a poem. After the presentation, participants were asked to answer several questions about the poem. Which experimental design did Hayden use?
Social Studies
1 answer:
Brums [2.3K]3 years ago
4 0

Answer:

Hayden used posttest-only research design.

Explanation:

The posttest-only control group design is a method used in research design where a test is given to the students after an instructional program is completed. It is normally used in conjunction with a pretest which helps identifying the effectiveness of the program

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Socially or economically disadvantaged subjects should be excluded from research protocols that are not designed specifically for them, Option A.

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A 'vulnerable population' is a group of individuals who need greater  protection than the normal individuals in case they participate in a research, because a research may require include some risks. This type of population includes pregnant women, neonates, children, economically pr socially disadvantaged. Even who are terminally ill are included in such type of population.

They should not be included in research that are not meant specifically for them. They should not included by paying them a nominal amount or for phase 1 as stated in other options.

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Explanation:

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