To understand the types, tools and methods of research and develop the ability to construct data gathering instruments appropriate to the research design
Research Design: Meaning, Need and Characteristics of a good research design. Identification of a Research problem. Selection of a Research problem.
Hypothesis- Purpose, Characteristics, Types and Criteria of Hypothesis.
Data gathering instruments: Observation, Interview, Questionnaires and Schedules, their construction, Technique of data collection, Scrutiny of data, accuracy of measurements, testing of a questionnaire.
Scaling Techniques: Purpose of scaling techniques, Types of scales- Nominal, Ordinal, Interval and Ratio scales.
Statistics- Meaning, Importance, Limitations, Classifications and Tabulation of data, Variables- Meaning and Concept, Types of Variables. Frequency Distributions and Cumulative Frequency Distribution,
Measure of Central Tendency- Mean, Median and Mode, Geometric and Harmonic Mean their Properties, Merits and Demerits.
Measure of Dispersion- Range, Quartile Deviation, Mean Deviation and Standard Deviation, Coefficient of Variation.
Skewness : (their absolute and relative measures)
Correlation Analysis- Definition and Concept, types and measures of studying Correlation (Karl Pearson’s coefficient of correlation, its assumptions, properties, merits and demerits, Spearman’s Rank correlation & Con-Current Deviation Method)
Regression Analysis- Definition, Concept, Uses and Properties. Least Square Method, Regression Coefficients, Fitting of Regression lines.