A researcher wants to establish whether taking a specific coffee supplement increases memory retention test scores (measured from 0 to 100) among 200 medical students., Quantitative, A psychologist conducts open-ended, two-hour interviews with 8 mothers who experienced postpartum depression to capture their individual feelings, identity changes, and emotional struggles., Qualitative, A study gathers numeric customer satisfaction ratings (1–5 scale) from 1,000 app users, and simultaneously conducts 4 focus group discussions with dissatisfied users to understand the reasons behind their low ratings., Mixed methods, An anthropologist spends eight months observing workplace culture inside a software startup, writing daily descriptive journals without administering any statistical surveys., Qualitative, A hospital measures patient wait times in minutes before and after installing a new digital check-in system across 5,000 emergency room visits., Quantitative, A marketing company analyzes 50 long-form written reviews on a fashion forum to identify common thematic patterns in consumer perceptions of luxury brands., Qualitative, A researcher first interviews 12 local farmers to identify unseen agricultural challenges, and then uses those interview insights to design a nationwide survey for 2,000 farmers., Mixed Methods, An educational consultant collects graduation rates (percentages) and standardized test scores across 50 public schools to find statistical correlations with school funding amounts., Quantitative, A sociologist investigates how frontline healthcare workers experienced burn-out during a crisis by analyzing personal diary entries and audio recordings collected over six months., Qualitative, A university conducts an online survey measuring stress levels (on a numeric scale) among 800 freshmen, and subsequently selects the 15 most stressed students for in-depth personal interviews to explore their personal stories., Mixed Methods, A sports analyst tracks pass accuracy percentages, total distance run in kilometers, and goal counts for 30 professional football players across a full season., Quantitative, An investigator studies how traditional artisans preserve their craft by recording their stories and examining their handmade tools in a remote village., Qualitative, An e-commerce store tracks the exact click-through rate (%) and purchase conversion rates across 10,000 site visitors comparing two different website color themes., Quantitative, A corporate team surveys 400 employees using closed-ended questionnaires (Quantitative) while also observing team meetings and recording qualitative notes to evaluate management efficiency., Mixed Methods, A historian examines personal letters, official decrees, and diary entries from the 18th century to reconstruct the cultural narrative of a historic event., Qualitative

Research methods

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