Research Methods: Data Collection

6 Questions

To gather data to answer research questions or test hypotheses

Experimental Research

To select participants randomly from a population to ensure representativeness

To check and correct errors in the data

To collect data through self-administered or interviewer-administered instruments

To check the completeness and consistency of the data

Study Notes

Data collection is the process of gathering data to answer research questions or test hypotheses
It is a crucial step in the research process, as it provides the foundation for analysis and conclusions

Survey Research: uses self-administered questionnaires, interviews, or observations to collect data
Experimental Research: involves manipulating one or more variables and measuring their effect on a dependent variable
Content Analysis: involves analyzing texts, images, or videos to identify patterns or themes
Case Study Research: in-depth examination of a single case or a small number of cases

Probability Sampling: involves selecting participants randomly from a population to ensure representativeness
Non-Probability Sampling: involves selecting participants based on convenience, expertise, or accessibility
Purposive Sampling: involves selecting participants based on their expertise or experience

Questionnaires: self-administered or interviewer-administered instruments used to collect data
Observation Schedules: systematic guides used to record observations
Interview Protocols: structured or semi-structured guides used to conduct interviews

Data Cleaning: process of checking and correcting errors in the data
Data Validation: process of checking the accuracy of the data
Data Verification: process of checking the completeness and consistency of the data

6 Questions