A researcher assesses the relationship between countries' development (highly developed versus less highly developed) and whether or not the country has ever elected a female head of state. The lambda for this association is 0.28. The researcher is better off knowing about country development by what percentage?
A) 72%
B) 52%
C) 28%
D) 8%

Question

Quizplus · Accepted Answer

Lambda is a measure of association that indicates the percentage improvement in predicting the dependent variable when the independent variable is known. A lambda of 0.28 means there is a 28% improvement in predicting whether a country has elected a female head of state when knowing the country's development status.

A Researcher Assesses the Relationship Between Countries' Development (Highly Developed