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A researcher develops a new instrument for measuring adjustment to widowhood in dependents whose spouses were killed in armed conflict. The researcher's initial instrument contains 55 items, and the researcher wants to trim these down to 25 or 30 but doesn't want to lose any of the main concepts. What method of statistical analysis will the researcher use, in order to pare this tool down to a manageable size without loss of content?
Stress on the Heart
The additional burden or strain placed on the heart by physical exertion, emotional distress, or other factors, potentially leading to various cardiovascular issues.
Decreased Inflammation
Decreased inflammation refers to the reduction of the body's response to injury or infection, leading to less swelling, redness, and pain, which can be beneficial for health.
Type A Behavior
A personality type characterized by competitiveness, impatience, aggressiveness, and a sense of urgency, often linked to stress and heart disease.
Type B Behavior
A behavior pattern characterized by a relaxed, patient, and easy-going manner.
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