Answer: Construct validity
Explanation:
Construct validity is the degree to which a test is done to measure what it claims. Construct validity defines how well the test or experiment actually measures its claims and whether the operational definition of the variable reflect the true theoretical meaning of the concept being illustrated.
The psychologist develops a questionnaire that is designed to study the variable of self-esteem and then conducts different studies to investigate the differences between people who had low scores on sled esteem and the people who had high score on self esteem. The reason for this was to get an accurate method of measuring self esteem. This means the psychologist wants to establish construct validity.
False. If there are no available resources such as water and food, the population will decrease.
Answer:Drought, flood, and temperature changes could certainly push people to move on. Climate change also affects the food supply, and anthropologists have assumed that people came to the Americas because they were following food on the hoof.
Explanation:
mark me as brainleast plss
