Meaning – The data which are collected for the first time by a researcher or groups of researchers, institution or organizations are called Primary sources of data.
Types of Primary data collection:-
1. Through Personal interview : Personal interviews are the most commonly used method of collecting data, because the interviewer has the opportunity of explaing the study and answering any question, here the researcher gets direct information from the respondents.
2. By Personal observations: It refers to the collection of data or information by individual or group of individuals, through direct observations in the field.
3. By Questionnaire : The most common method used in surverys is the Questionnaire. In this method, simple questions and their possible answers are written on a plain paper, and the respondents have to tick mark the possible answers from given choices.
4. Others methods :
- Telephone interview : In this method, the researcher/interviewer can collect the information over the telephone.
- Measuring properties : In this method, the data about properties of soil, and water collected directly from the field by measuring their characteristics using soil and water quality kit.
