This paper juxtaposes changes over the last forty years in income growth and distribution with the mortality changes recorded at the aggregate level in about 170 countries and at the individual level in 26 countries with at least two demographic and health surveys covering the last twenty years. Over the 1980s and 1990s, the infant mortality rate, under-5 mortality rate, and life expectancy at ...

introduction. learning materials (lms), are submitted to students in different types, from class notes to referring students to different references, which can have different effectiveness. therefore, evaluation of effectiveness of commonly used types can help the university faculties in selection of more appropriate lms for students. methods. 1. the data regarding the types of lms used in diff...