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
How to Report a One Sample T Test in APA
A one-sample t-test is used to compare the mean of a sample to a known or hypothesized value. It helps…
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: Why Researchers Still Use It
Data analysis is one of the hardest parts of a PhD. By this stage, you already have a research topic,…
