Clear, practical guides for the statistics in your thesis: choosing a test, calculating sample size, interpreting results and reporting them in APA 7 style. Each guide links to a free calculator so you can apply it straight away, and ends with a short Roman Urdu summary.
Planning your analysis
How to Choose the Right Statistical Test for Your Thesis
Choose the right statistical test in four questions: your aim, variable types, number of groups and normality. Includes a summary table and examples.
How to Calculate Sample Size for a Thesis (Cochran, Yamane and Power Analysis)
Calculate and justify your thesis sample size with Cochran's formula, Yamane's formula and power analysis, with worked examples and a write-up template.
Cronbach's Alpha Interpretation: What Is a Good Value and How to Report It
What Cronbach's alpha means, which values are acceptable (.70, .80, .90), where the cut-offs come from, how to improve a low alpha and how to report it in APA.
Running and reporting tests
How to Report a t Test in APA 7 Style (With Examples)
Step-by-step guide to reporting independent and paired t tests in APA 7: what to include, exact wording, examples, tables, effect sizes and common mistakes.
How to Report ANOVA in APA 7 Style (One-Way, Post Hoc and Repeated Measures)
Report one-way and repeated measures ANOVA in APA 7: F statistic, degrees of freedom, eta squared, Tukey and Bonferroni post hoc tests, examples and a table.
How to Run an Independent Samples t Test in SPSS (Step by Step)
Run an independent samples t test in SPSS: set up the data, choose the menus, read Levene's test and the output table, get Cohen's d and write the APA result.
Pearson vs Spearman Correlation: Which One Should You Use?
Pearson vs Spearman correlation explained: linear vs monotonic relationships, assumptions, Likert data, outliers, interpretation and APA reporting examples.
Understanding and writing up results
The p-Value Explained: What It Means (and What It Does Not)
What a p-value really means, how to interpret p < .05, common misconceptions, the ASA statement on p-values, and how to report p-values in APA 7.
Effect Size Interpretation: Cohen's d, r, Eta Squared and More
How to interpret effect sizes: Cohen's d, Pearson r, eta squared, partial eta squared, Cramér's V and kappa, with benchmark tables, caveats and APA examples.
How to Write the Data Analysis (Results) Chapter of a Thesis
A practical structure for the results or data analysis chapter of a quantitative thesis: data screening, reliability, descriptives, hypothesis tests and tables.
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Written and maintained by the ScholarCalc team. Last reviewed: November 2026.
Frequently asked questions
Are these guides suitable for a thesis?
Yes. They follow APA 7 and cite published sources, but always check your university’s guidelines and your supervisor’s preferences.
Can I cite ScholarCalc guides?
It is better to cite the original sources listed at the end of each guide, such as the APA Publication Manual or Cohen (1988).