Variables: independent and dependent variables, qualitative and quantitative variables, discrete and continuous variables, methods of controlling variables. Measurement of variables.
Sampling: Meaning, characteristics of good sample design, steps in sample design ,types and advantages
Techniques of data collection:
primary data; Questionnaire, schedules, interview, observation and other methods
Links:
[1] https://zoology.iisuniv.ac.in/courses/subjects/research-methodology-and-special-skills-2
[2] https://zoology.iisuniv.ac.in/academic-year/2020-2021