Discussion
Which among the following is a quantitative method ?
Answer: C
The keyed answer is 24 hour diet recall.
A 24-hour recall asks a person to list everything eaten and drunk in the previous day, with amounts, and the amounts are then converted into energy and nutrient intakes. Indian diet-survey practice names it with weighment as a standard way to measure what is eaten, and nutrition research treats it as a quantitative dietary method, checked against weighed records.
Focus group discussion and the case study are qualitative methods: they gather views, experiences and detailed description, not counts or measures. Structured observation is the closest rival, because observation with a fixed schedule can be counted and is sometimes called quantitative in research-methods books. The key prefers the diet recall because it measures amounts of intake directly, and in a Home Science paper that is the method meant, so I follow the key while noting that structured observation is a defensible second.
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