About Marissa Duvall
Dr. Marissa Duvall holds a PhD in Statistics and specializes in quantitative data analysis for students at all academic levels. With expertise in hypothesis testing, regression analysis, and structural equation modeling (SEM) using SPSS, SPSS-AMOS, R, Python, and Stata, she has successfully guided over 400 students in analyzing and interpreting their research data.
Recent Articles
Yamane’s Sample Size Calculator
This sample size calculator computes the minimum sample size for your study using Taro Yamane’s formula. To determine the required…
Benefits of SPSS in PhD Data Analysis
Data analysis is one of the most challenging stages of any PhD research. During this stage, many students struggle with…
Top 5 Dissertation Data Analysis Services
Writing a dissertation is a major task, and one of the most challenging parts is data analysis. You may need…
