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Questions and Answers
Which of the following best describes the design characteristics of a randomized crossover trial?
Which of the following best describes the design characteristics of a randomized crossover trial?
- A study design where participants are randomly assigned to different treatment groups and then interviewed about their experiences
- A study design where participants are randomly assigned to different treatment groups and then followed for a specific period of time
- A study design where participants are randomly assigned to different treatment groups and then compared to a control group
- A study design where participants are randomly assigned to different treatment groups and then switched to another treatment group at a later time (correct)
How can a randomized crossover trial be used in nutrition research?
How can a randomized crossover trial be used in nutrition research?
- To assess the impact of a specific nutrient on blood sugar levels
- To evaluate the efficacy of a new dietary supplement on muscle growth
- To investigate the relationship between dietary patterns and heart disease risk
- To compare the effectiveness of different diets on weight loss (correct)
Which of the following is an example of how a randomized crossover trial can be used in nutrition research?
Which of the following is an example of how a randomized crossover trial can be used in nutrition research?
- Comparing the effects of a low-carbohydrate diet and a low-fat diet on cholesterol levels (correct)
- Investigating the impact of caffeine consumption on athletic performance
- Evaluating the effects of vitamin D supplementation on bone density
- Assessing the efficacy of a probiotic supplement on gut health
