Final answer:
Measuring the impact of food away from home on diet quality is complex due to challenges like inaccurate food recall, diet intricacies, and multiple influencing variables.
Explanation:
The difficulty in measuring the effect of food away from home on diet quality stems from various factors:
- Complex food consumption: People often struggle to accurately recall what and how much they eat, leading to errors in data collection.
- Diet complexity: Diets are intricate, composed of numerous nutrients and food combinations that make it challenging to assess accurately.
- Unknown variables: There are many factors influencing food choices and diet quality, such as personal preferences, cultural backgrounds, and environmental influences.
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