Answer:
external
Explanation:
The process of applying the conclusion of a particular scientific study into a study which is outside its context is said to be external validity. The conclusions derived in one particular study is applied to other situations through external validity. There are cases when such generalization brings a negative result to the study. Also, the factor of generalization is limited to some extent.
Answer: Understanding of conservation is not present
Explanation:
Understanding the conservation is defined as the ability to recognize that anything remains the same in quantity even on redistribution of that thing. Change in appearance of the element does not change or affect the volume ,mass, weight, quantity of it.
According to the question, Ethan does not have the understanding of conservation . He does not understand that splitting the pizza into 12 pieces instead of 8 slices would not increase the quantity of pizza so that his hunger can be fulfilled.
Anthropologists classify tribes and nations into groups with strong similarities in culture and traits.
Explanation:
Anthropologist analyses the social groups, their origin, race, ethnicity, culture and traits. Social groups include tribal and other migrated families. These tribal group into a specific identical cluster on the basis of similarity in their cultures and traits. Traits include food habits, living style, livelihood pattern, dressing sense etc.
Some of the tribes used hunting or some use gathering as their source of livelihood. Some used to intake raw food and some half cooked condition. Their religious believed also differs from group to group like some tribal groups rely on worship of idol whereas some relies on worship of nature no idol.
