1. SD' refers to standard deviation. Variable explanations -'Words: Church Service': Total words in a service;Comparative Overview of Word Usage in Church Services in Muramvya -Absolute Values Variable Catholic FECABU Adventist Pentecostal Anglican Words
2. in five churches in the town of Muramvya. 'SD' refers to standard deviation. The total number of observations is given for each church. Variable explanations -'Words: Church Service': Total words in a service;Words: Bible Reading': Words read directly from the Bible
3. Endogenous group formation via unproductive costs;J A References Aimone;Review of economic studies,2013