Sampling Methods in Quantitative Research
Choose a defensible sampling method, justify your sample size, and prepare survey data for SPSS.
DoThesis blog
Guides to SPSS, SmartPLS, measurement scales and writing a quantitative thesis.
What Is the Median? How to Calculate the Median
Learn how to calculate the median, read Median in SPSS, and choose the right statistic when your data contain unusually large or small values.
Attitude Scale: How to Develop and Test It in SPSS
A practical guide to sourcing, writing, adapting, and testing attitude-scale items before using them in a quantitative research model.
How to Write Research Objectives for a Thesis
A practical framework for connecting your thesis topic to research questions, data, methods, and analysis through clear research objectives.
What Is Principal Component Analysis? How to Read PCA in SPSS
Read PCA output in SPSS from KMO and Bartlett's Test to the rotated matrix, then document item removal and component decisions clearly.
Service Quality Scale: Sources, Indicators, and Validation
Use this guide to build, adapt, and validate a service quality scale for a quantitative thesis.
What Is a Thesis Proposal? Structure and Writing Guide
A thesis proposal is the working blueprint that connects your research problem, objectives, methods, and schedule before you write the thesis.
Sample Size Calculation in Quantitative Research: Formulas and Selection
Match the sample size formula to your research objective, analysis model, and access to respondents before you collect the data.
What Is PCA? How to Read and Process Principal Component Analysis Results
You will learn what PCA is, how it differs from EFA, and what to do when your principal component analysis results fall short.
Porter Value Chain Model: Components, Application, and Testing
A practical guide to using the Porter Value Chain Model to study competitive advantage and build a quantitative research model.
How to Write a Doctoral Dissertation from Proposal to Complete Manuscript
A practical writing framework for turning a quantitative research proposal, real data, and analysis results into a clearly structured doctoral dissertation.
Create a Google Form Survey for a Quantitative Thesis
A practical guide to building a Google Form that matches your research model, collects usable responses, and produces a clean SPSS-ready dataset.