Topics: Research methodology, research, research methods, research process, research problem, research design, sampling design, census, sample survey, measurement, scaling techniques, scaling, scaling construction techniques, data collection, observation method, case study method, measures of central tendency, measures of dispersion, measures of asymmetry, skewness, simple regression, regression analysis, multiple correlation, regression, partial correlation, sampling, sampling distributions, central limit theorem, sampling theorem, Sandler's A-test, estimation, sample size, hypothesis, hypothesis testing, Chi-square test, Yates correction, ANOVA, analysis of variance and co-variance, ANOVA technique, analysis of Co-variance, ANOCOVA, nonparametric test, distribution free test

Topics: Demography, Population Studies, Demographic Data, census, sample survey, population registers, population, Demographic Transition Theory, fertility, mortality, death, Infant Mortality Rate, Maternal Mortality Rate, Life Expectancy, Human Sexuality, Reproductive Health, migration

Topics: world population, demographic transition, census, age pyramid, population change, population pyramid, doubling time, rule of 70, demographic indicators, skin diseases, skin lesions, measles, leprosy, Hansen's diseases, dermatophytosis, onchoceraciasis, herpex zooster, tinea corporis, acne vulgaris, alopecia areata, chronic discoid lupus erythematodes

Topics: Political Parties, Pressure Groups, Party Organisation, Political Ideologies, Political Socialisation, party system, Single- Party System, Two -Party Systems, action groups, census crises, Collective Bargaining