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.
The Northern economy benefited from development in many of its industries, including textile and iron production. The war also stimulated the growth of railroads, improving transportation infrastructure.
Answer:
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Explanation:
They are home to things like algae, insects, fish, and turtles. These living things depend on nonliving things like stones, sunlight, and soil, as well as water. Water is a part of all ecosystems. Every living thing needs water.