Dissertation Statistics Help

Kieran Ashford, MSc

Senior Data Analysis Specialist

Kieran Ashford works with graduate students and academic researchers on quantitative research projects, dissertations, and journal manuscripts. He provides support in hypothesis testing, data cleaning, statistical analysis, and results interpretation, ensuring that findings are presented accurately and transparently.

ANOVAT-TestsSurvey AnalysisDissertation Statistics

How Kieran works on a project

Kieran handles the group-comparison core of most dissertations: t-tests, one-way and factorial ANOVA, and the survey designs that feed them. He is also the specialist behind most of our Likert-scale and questionnaire analysis work.

Students usually reach him with collected data and a deadline, so his work is practical: clean the file, check the assumptions, run the correct test, and hand back tables and wording that drop straight into the results chapter.

The fastest way to work together is through our statistics support for a master's thesis, which matches the projects this profile describes.

Guides written and reviewed by Kieran Ashford

June 25, 2026 · 10 minHow to run a repeated measures ANOVA in RRun a repeated measures ANOVA in R with afex: reshape to long format, check Mauchly's test, apply the Greenhouse-Geisser correction, and follow up with emmeans.Read article June 24, 2026 · 10 minHow to run a two-way ANOVA in RFit a two-way ANOVA in R, read the interaction first, use Type III sums of squares when cells are unbalanced, and break it down with emmeans.Read article June 23, 2026 · 10 minHow to run a one-way ANOVA in RFit a one-way ANOVA in R with aov(), check the assumptions, pick Tukey or Games-Howell, add the effect size R hides, and report it cleanly.Read article June 19, 2026 · 9 minHow to run a two-way ANOVA in SPSSRun a two-way ANOVA in SPSS, read the interaction before the main effects, decompose it with simple effects, and report each result with partial eta squared.Read article June 17, 2026 · 9 minHow to run a one-way ANOVA in SPSSRun a one-way ANOVA in SPSS, choose Tukey or Games-Howell by your Levene's result, find an effect size the dialog hides, and report it cleanly.Read article June 16, 2026 · 6 minParametric vs nonparametric testsParametric tests assume a normal distribution; nonparametric tests do not. Here is how to check the assumptions and choose the right family for your data.Read article June 16, 2026 · 7 minRepeated measures ANOVA explainedWhen the same people are measured in every condition, a repeated measures ANOVA removes individual differences from the error term. Here is how it works.Read article June 16, 2026 · 7 minANCOVA: analysis of covariance explainedANCOVA is an ANOVA with a regression adjustment that controls for a covariate, sharpening the comparison between groups. Here is when and how to use it.Read article June 16, 2026 · 7 minHow to choose the right statistical test for your dissertationMatch your research question and variable types to the correct test, with a decision table for the analyses most dissertations need.Read article June 16, 2026 · 9 minHow to run a t-test in SPSSRun an independent, paired, or one-sample t-test in SPSS, read the Levene's and Welch rows correctly, and report it with an effect size.Read article June 14, 2026 · 7 minHow to write your dissertation results chapterStructure your results chapter by research question, report descriptives then inferential tests, and keep findings separate from interpretation. Here is how.Read article June 14, 2026 · 6 minANOVA vs t-test: when to use whichA t-test compares two means; ANOVA compares three or more at once. Here is when to use each test and why several t-tests inflate your error rate.Read article June 5, 2026 · 6 minAnalysing Likert-scale survey dataTreat single Likert items as ordinal and validated scales as interval. Here is how that choice sets your test and how to report the results.Read article

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