Many believed that the lessons from World War I suggested that the balance of power system could provide a certain order and stability

The effect size

A) shows how many participants are in each group. B) is expressed in standard deviation units. C) is the best measure of reliability of the independent variable. D) is held constant in meta-analysis.

Infrastructure generally refers to the physical network of a community—which includes roads, bridges, airports, water and sewer systems, etc

a. True b. False Indicate whether the statement is true or false