Thomas Sowell studied the intelligence test scores of various categories of people and concluded that ___ Group of answer choices d. All of these are correct. c. all categories of people have the same average test performance. a. people s culture explains the variation in intelligence test scores.

Cultural patterns explain much variation.

Explanation:

According to Thomas So well, while studying the intelligence scores of various people, concluded that, Cultural patterns explain much variation. This implies that, the cultural background of individual,  such as how people were raised and their cultural differences has a significant influence, on their responses or answer to an intelligence test, which made the intelligence scores to vary as well.

Hence, since individual are all raised differently, most significantly from one cultural background to another, the way we read, evaluate and answer questions are different, and has significant effect on our scores.

Therefore the right answer is Cultural patterns explain much variation.

texas governor sam houston opposed secession, but was unable to prevent it. in this speech, given prior to lincoln's election, he presents the argument that slavery would be safer within the united states than outside of it. it was a prescient argument, and one held by several other southern leaders.

have a good day pls vote me brailyest

answer; criterion validity