Which statement about generalizability is true?

• A. Nutritional Needs Are Not Generalizable
• B. Careers Are Highly Generalizable
• C. Preferred Music Genre Is Highly Generalizable
• D. Nutritional Needs Are Highly Generalizable

Answer: (D)

Generalizability asks whether findings extend beyond the specific group and setting studied. For nutritional needs, humans share fundamental biology, so basic energy and nutrient requirements are broadly similar across healthy adults. Because of that shared biology, broad guidelines (like daily allowances) apply to many people, making the idea that nutritional needs are highly generalizable accurate. Of course, there are adjustments for age, sex, pregnancy, illness, and activity level, but the overarching pattern is that the core nutritional needs are widely applicable. By contrast, careers are shaped by culture, opportunity, and personal circumstances, and preferences for music genres are highly variable across individuals and contexts, so those domains generalize much less.