Answer:
Validity
Explanation:
Validity is the statistical term. It was formulated by Kelly. He told that the test will be valid when it measures what it claims to be measured.
For example, a test of personality will measure personality. A test in intelligence will measure the intelligence of a person rather than a personality. There is a distance between the external validity and internal validity. Different types of validity measure the test.
Explanation:
collectively, including plants, animals, the landscape, and other features and products of the earth, as opposed to humans or human creations.
Answer:
His efforts paid off, with much of the Song imperial family surrendering to Kublai in 1276, but the war continued for another three years. In 1279, Kublai became the first Mongol to rule all of China when he conquered the last of the Song loyalists.
Siblings: Hulagu Khan, Ariq Böke, Möngke Kh...
Nationality: Mongol Empire, Mongolia
Died: February 18, 1294