Gallup Surveys Are Useful in Gathering Information About Well-Being

Gallup surveys are useful in gathering information about well-being. What is NOT true about their research and findings?

A) People in some high-income countries such as Israel and Saudi Arabia report lower levels of positive emotion than those in low-income countries such as Kenya and India
B) The best days of the year are weekends and holidays
C) They have surveyed people in more than 150 countries
D) Americans don't like to respond to their surveys, so the numbers of responders are decreasing.