18.93million is the answer. the population in 1980 was 5.93m and 24.86m in 2017
He's showing a lack of conservation which means he's unable to understand that the quantity is the same after it underwent a shape transformation.
Answer:
U.S. Prison Population Hits All-Time High: 2.3 Million Incarcerated
Explanation:
The correct answer for the question that is being presented above is this one: "correlational research." In order t<span>o determine whether the strength of people's self-esteem is related to their income levels, researchers would most likely make use of correlational research. Correlational research refers to quantitative method </span><span>in which you have 2 or more quantitative variables from the same group of subjects.</span>
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.