Researchers want to investigate the validity of a new FitBit scale in recording body weight. They ask
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Question:
Researchers want to investigate the validity of a new FitBit scale in recording body weight. They ask 65 participants to visit the lab and step on the scale. Ten minutes after being weighed with the FitBit scale, they are also weighed using the lab's highly valid body weight scale. The weights are then compared and analyzed with statistics to come up with a validity coefficient for the FitBit scale.
Which type of validity is this?
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