Table 4 Central ideas and corresponding proportion (%) of total key expressions for Group B in response to content questions about the reading assignment
From: Does knowledge of evolutionary biology change high school students’ attitudes about healthy eating?
Familiar content areas | |
1. Overweight/obesity is a serious problem | 75.0% |
2. Carbohydrates come in different forms | 16.7% |
3. People have a taste preference for sweets | 8.3% |
Unfamiliar or new content areas | |
1. The extent of the overweight/obesity problem | 35.3% |
2. Some foods can raise blood sugar levels quickly | 23.5% |
3. The glycemic index as a metric | 17.6% |
4. Blood sugar levels need to be regulated | 17.6% |
5. The context of human evolution | 5.9% |