em21w7

• Research Design


  The structure of any scientific work, program or project that provides direction, flow of work and systemize method in conducting a research
• Research Methodology


  The process of choosing the appropriate research design
• Descriptive research design


  • The most common type of research design in quantitative research
  • Provides the writer with information about a group or phenomenon
• Types of descriptive research designs

  • Descriptive survey
  • Descriptive normative survey
  • Descriptive analysis
• Descriptive survey


  • Research to determine the job related problems and job performance of the employees in government institution using a questionnaire
• Descriptive normative survey


  • Research to study the English Achievement of Fourth Year Students at the NCR Sate Colleges and Universities using an achievement test
• Descriptive analysis


  • Research to determine the socio economic status and performances of instructors and professors in colleges and universities in Metro Manila using a questionnaire
• Population


  All the members of a defined group that researchers are studying or collecting information for decision-making
• Sample


  A subset of the population that represents the entire group as a whole
• Sampling errors


  • Differences between what is present in a population and what is present in a sample
• Larger sample size


  Smaller level of sampling error
• Sampling procedures


  • Probability sampling
  • Non-probability sampling
• Probability sampling procedures


  • Simple random sampling
  • Systematic sampling
  • Stratification Random Sampling
  • Cluster sampling
• Non-probability sampling procedures


  • Purposive
  • Convenience
  • Quota sampling