Answer:
John Deere was a blacksmith that invented the first successful self scouring steel plow in 1837.
Answer:
The answer is construct validity.
Explanation:
Construct validity is described as the degree in which a study<em> actually</em> measures what it claims to be measuring. A well-designed research will ideally have high construct validy, while a poorly designed one may confound the variables and result in measuring a different aspect.
For example, if a researcher tries to find which of two perfumes is more attractive to customers, <u>but uses different shaped or coloured bottles</u>, it's possible that the test will lack construct validity (the bottles may affect the customers' opinions).
Answer:
b. plantation farmings
Explanation:
large amount of labor and capital
That we need to help those in need of jobs to raise the rate higher.
