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Research Methodology

Every research-methods and biostatistics question TNMGRMU has set, in Ph.D. Research Methodology and in MD, MS, DM and MCh papers, answered with diagrams first and text second.

476 questionsset 596 times, 1990–202522 chapters

Each chapter starts with the question a resident would actually ask, shows the idea as a picture, names the term only after that, and ends with an exam answer frame and the full list of past questions it answers.

Starting a study

  1. 01What research isRead nowWhat is research, really? · 12 past questions
  2. 02Research question and hypothesisRead nowHow do you turn a doubt into a research question? · 15 past questions
  3. 03Literature searchRead nowHow do you find out what is already known? · 14 past questions
  4. 04Research protocolRead nowWhat goes into a research protocol? · 20 past questions

Designing the study

  1. 05Study designsRead nowWhich study design answers your question? · 51 past questions
  2. 06Clinical trialsRead nowHow do you run a fair trial? · 63 past questions
  3. 07Qualitative researchRead nowHow do you study what numbers cannot measure? · 21 past questions
  4. 08Bias, confounding and validityRead nowWhy do studies get the wrong answer? · 31 past questions
  5. 09SamplingRead nowWhom do you pick, and how? · 20 past questions
  6. 10Sample sizeRead nowHow many patients do you need? · 14 past questions

Collecting and showing data

  1. 11Data collectionRead nowHow do you collect data you can trust? · 17 past questions
  2. 12Presenting dataRead nowHow do you show data in a picture? · 8 past questions

Making sense of numbers

  1. 13Descriptive statisticsRead nowHow do you summarise a set of numbers? · 27 past questions
  2. 14Hypothesis testingRead nowIs the difference real or due to chance? · 35 past questions
  3. 15Choosing a testRead nowWhich statistical test do you use? · 36 past questions
  4. 16Correlation and regressionRead nowDo two things move together? · 12 past questions
  5. 17Diagnostic testsRead nowHow good is a test? · 28 past questions
  6. 18Risk and survivalRead nowHow do you measure risk and survival? · 19 past questions

Evidence, ethics and publishing

  1. 19Systematic review and meta-analysisRead nowHow do you combine many studies? · 39 past questions
  2. 20Research ethicsRead nowWhat protects the people you study? · 31 past questions
  3. 21Writing and referencingRead nowHow do you write it up? · 16 past questions
  4. 22Publishing and IPRRead nowHow do you publish, and who owns the work? · 25 past questions

Questions come from the Tamil Nadu Dr. M.G.R. Medical University question bank. Every question on a chapter page links to the university's own PDF. Worked examples in the chapters use made-up numbers for teaching.

Want the statistics in more depth? Read the Stateazy articles.