What is an essential feature of quantitative research?

Quantitative research primarily relies on numerical data and statistical techniques to analyze and interpret findings. This approach enables researchers to quantify behaviors, opinions, or phenomena and produce results that can be generalized across larger populations. By using statistical analysis, researchers can assess relationships between variables, test hypotheses, and derive conclusions that are based on measurable data rather than subjective interpretations.

The other options do not align with the core principles of quantitative research. Reliance on personal interviews is characteristic of qualitative research, which seeks to understand the complexities of human behavior and experiences through direct interaction. The focus on narrative descriptions is also a hallmark of qualitative methods, emphasizing storytelling and thematic exploration rather than numerical analysis. Lastly, the absence of a hypothesis is not typical in quantitative research; instead, formulating a clear hypothesis is crucial as it guides the research design and analysis. Thus, the use of statistical analysis stands as a foundational feature that distinguishes quantitative research from other methodologies.