Lecture on Methods of Data Collection

This Lecture paper is prepare for Methods of Data Collection. This lecture paper is focus on Types of  Data, Methods of  Collection of  Primary Data, Observation Method, Types of Observation, Participant observation, Non-participant observation, Strengths of the participant type of observation, Weaknesses of  Observation, Merits of the interview method, Pre- requisites  and basic tenets of interviewing, Collection of Data using  Questionnaires, What are the main aspects of a questionnaire? Question formulation and wording, Difference between Questionnaires and Schedules, Pictorial Techniques, etc.