Experiments Lack Internal Validity When They Fail to Control for Other

question 53

Multiple Choice

Experiments lack internal validity when they fail to control for other factors, called ______ that might pose rival hypotheses for the results.

• A) confounds
• B) placebos
• C) blinds
• D) alternatives

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Definitions:

Dense

Characteristic of a substance having closely packed particles or elements, indicating high mass per unit volume.

X-ray Imaging

A diagnostic technique that uses X-rays, a form of electromagnetic radiation, to create images of the inside of the body, which can be used to detect fractures, infections, and other abnormalities.

Mammography

An imaging technique using X-rays to visualize the internal structure of breasts, aiding in the early detection and diagnosis of breast diseases.

Breast Cancer

A malignant tumor that originates in the cells of the breast, potentially leading to life-threatening growths if not treated.