Quantitative research is concerned with precise measurement, replicability, prediction, and control. It includes techniques and procedures such as standardized tests, random sampling and/or assignment, tests of statistical significance, and causal modeling. It may be preceded by descriptive pilot studies that are preliminary steps to a subsequent experimental or correlational study.
Quantitative studies have one or more of the following properties:
Adoption of the hypothesize–test–rehypothesize sequence that is characteristic of ‘the’ scientific
Emphasis upon structured and objective measuring
Extensive use of numbers to reflect the measurements and to summarize the
An emphasis on causality.
See: Quantitative research. (2011). In Dictionary of nursing theory and research