Aresearcher would like to compare the effectiveness of two different methods for teaching third-grade mathematics. one group of students is assigned to dr. smith's class using method i and another group is assigned to dr. jones' class using method ii. at the end of the school year, each child is given a standardized mathematics achievement test and the two groups of scores are compared to see which method produced a better outcome. what is the confounding variable in this study?

swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.

the values of the selma marchers was to bring   their ability to vote into law. mlk was not hat march, which was protesting toward lbj

propioception;

answer; quantitative versus qualitative research;