When is quantitative research methods used with examples?

Quantitative research methods are used when researchers seek to quantify relationships, behaviors, or phenomena and require statistical analysis to draw conclusions. For example, a survey measuring consumer satisfaction using numerical ratings can reveal trends in customer preferences. Additionally, experiments that assess the effect of a new drug on patient health outcomes rely on quantitative data to determine efficacy and safety. These methods are particularly useful in fields like psychology, marketing, and healthcare, where data-driven decisions are essential.