Guides, tutorials and tips for academic research, statistical analysis and methodology.
Copy our prompt, describe your topic in ChatGPT, and import a complete survey to Istražimo. No coding, no manual question entry.
Learn how to properly create a Likert scale for your research. This guide covers scale types, number of points, item formulation, and common mistakes.
How to determine the optimal sample size for your research. Power analysis, rules of thumb, and the most common mistakes in sample size determination.
A complete guide to the t-test: independent, paired, and one-sample. Learn when to use each type, how to interpret p-values and Cohen's d, and how to report in APA format.
What is Cronbach's alpha, how to interpret it, when is a value sufficient, and why a high alpha isn't always a good sign. A guide with practical examples.
What is ANOVA, why you can't use multiple t-tests, how to interpret the F-statistic, and which post-hoc test to choose. With examples and APA format.
Structure of the Method section per APA 7: Participants, Instruments, Procedure, Data Analysis. With a concrete example of a complete methodology.
What is correlation, how to interpret Pearson's r, what is a correlation matrix, and why correlation never proves causation. With examples of spurious correlations.
What is factor analysis, how to check prerequisites (KMO, Bartlett), how to determine the number of factors, and how to interpret factor loadings. With a practical example.
A guide to the chi-square test of independence: when to use it, how to create a contingency table, how to interpret results, and how to report in APA format.
A complete guide to creating an online survey: questionnaire structure, question types, ordering, pilot testing, distribution, and ethical considerations.