Explain how comparison groups, double-blind studies, and other design choices can help researchers avoid many of these threats to internal validity.

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24-08-2022
Social Studies

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Explain how comparison groups, double-blind studies, and other design choices can help researchers avoid many of these threats to internal validity.

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sheeba0098 sheeba0098 · Answer 1 · 2022-09-04T12:56:06+02:00

Comparison groups, double-blind experiments, and other design decisions that safeguard the observer and researcher's objectivity can assist researchers in avoiding many of these dangers to internal validity.

What is a Blinded experiment?

An experiment is blinded or "blinded" if any information that might affect the participants is concealed until after the experiment is over. Effective blinding can lessen or even completely remove experimental biases brought on by participant expectancies, observer effects, observer bias, confirmation bias, and other factors.

Participants are not informed of which yoghurt containers are high-fat and which are low-fat by the researchers. Because the participants are unaware of their placement in the low- and high-fat groups, this study is an example of a single-blind study.

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