Researchers Hypothesized That the New "Shake Weight" Would Yield a More

question 10

Multiple Choice

Researchers hypothesized that the new "Shake Weight" would yield a more effective workout than traditional barbell weight training. They found that using the "Shake Weight" for 6 minutes a day, three times a week, resulted in the greater improvement in strength than engaging in a 40-minute barbell regimen three times a week. They acknowledged, however, that they might have a Type I error. What does this mean?

• A) The surprising effectiveness of the Shake Weight is probably due to chance or measurement error
• B) The researchers thought the weight workouts were the same, when the Shake Weight was in reality more effective.

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Definitions:

Cortisol

A steroid hormone produced by the adrenal glands, involved in the body's stress response as well as metabolism and immune function.

Gastrin

A hormone that stimulates the secretion of gastric acid by the stomach's parietal cells.

Somatotropin

Also known as growth hormone (GH), it is a peptide hormone that stimulates growth, cell reproduction, and cell regeneration in humans and other animals.

Hypersecretion

The excessive production and release of a substance by a gland.