Research methodology for the rest of us.
Practical, plain-English guides on questionnaire design, sample size, reliability, validity, common method bias, mixed methods, AI-drafted instruments, and recruiting respondents on a researcher's budget. Published by DrAIStudio.
How to Design a Research Questionnaire β A Complete 2026 Guide
The eleven decisions that separate a publishable instrument from a noisy one. Research question, design family, validated scales, demographics, consent, randomisation, pilot, sample size, distribution, pre-registration.
Cross-Sectional vs Longitudinal Survey Design
When to use each, the four sub-types of longitudinal design, the time-lagged middle ground, sample-size implications, and how reviewers think about causal claims.
How to Calculate Sample Size for a Survey Study
Concrete sample sizes for correlation, t-test, ANOVA, regression, mediation, and SEM designs β with worked examples and real-world inflation factors.
Reliability and Validity β Cronbach's Alpha, AVE, HTMT
The five tests publishable papers report: Cronbach's Ξ±, composite reliability, AVE, FornellβLarcker, and HTMT. Plus what to do about common method bias.
What Is the Delphi Method? A Researcher's Guide
How to run a structured 3-round Delphi for HRM, education, and policy research β including fuzzy Delphi and consensus thresholds.
Common Method Bias β Detect, Prevent, and Reduce It
Procedural remedies (time-lagged, multi-source, varied scales) and statistical tests (Harman, CLF, marker variable, ULMC) for the most common reason cross-sectional papers get rejected.
How to Use AI to Draft a Research Questionnaire
A safe workflow for AI-assisted survey design β what AI is good at, what it's bad at, the four common traps, and how to keep rigour while saving weeks of drafting time.
Mixed-Methods Survey Design β Convergent, Sequential, Embedded
The four main variants of mixed-methods design, when to pick each, and what reviewers want to see in a defensible methods section.
50 Survey Design Types Every Researcher Should Know
A complete taxonomy across 10 design families β time, purpose, methodology, sampling, mode, control, respondent structure, measurement, consensus, modern designs.
How to Recruit Survey Respondents When You Have No Budget
Ten free and low-cost channels for academic survey recruitment β from LinkedIn pulls and alumni networks to the SmartForm Exchange credit marketplace.
Free, browser-based questionnaire builder
SmartForm lets you build, share, and analyse academic questionnaires for free β with AI item generation, live reliability stats, 50 design templates, and a peer-recruitment Exchange.