Profile Details

Create Project

★★★★★

☆☆☆☆☆

USD 40 /hr

★★★★★

☆☆☆☆☆

Hire Karla C.

Chile

USD 40 /hr

Expert in data analysis and statistics applied to psychology and social sciences

Profile Summary

I am a psychologist with a master's degree in statistics and experience in social science data analysis. I have worked with structural equation modeling, factor analysis (exploratory and confirmatory), regression and mixed models. I am fluent in R and SPSS, and have participated in academic research in education and psychology.

Subject Matter Expertise

• ★ Social Statistics
• ★ Organizational Studies
• ★ R
• ☆ Data Analysis
• ☆ Data Processing
• ☆ Data Exploration
• ☆ Data Collection
• ☆ Data Management
• ☆ Data Cleaning
• ☆ Statistics
• ☆ Applied Statistics
• ☆ Regression Analysis
• ☆ Multivariate Analysis
• ☆ Correlation Analysis
• ☆ Survey Design
• ☆ Study Design
• ☆ Human Behavior & Psychology
• ☆ Educational Psychology
• ☆ SPSS
• ☆ Excel

Services

• Writing
• Research
• Consulting
• Data & AI

Writing Technical Writing

Research Scientific and Technical Research

Consulting Scientific and Technical Consulting

Data & AI Statistical Analysis, Data Visualization, Data Cleaning

Work Experience

Docente

Universidad de Valparaíso

August 2018 - Present

Proyect Manager

Universidad Adolfo Ibáñez

March 2022 - November 2023

Proyect Manager

Universidad de Valparaíso

March 2020 - May 2022

Education

MS Statistics

Universidad de Valparaiso - Chile

April 2019 - August 2022

BA Psychology

Universidad de Valparaiso - Chile

March 2010 - March 2016

Certifications

• Magister en Estadística

  Universidad de Valparaiso

  August 2022 - Present

Publications

JOURNAL ARTICLE

Karla Carvajal, Maria-Pia Santelices, Maria-Carolina Velasco-Hodgson, catterina ferreccio, Catalina Undurraga (2025). The Psychometric Properties of the ACE-IQ Questionnaire’s Binary and Frequency Scoring Methods in a Chilean Community Sample . Children.

WORKING PAPER

Psychometric Properties of the ACE-IQ Questionnaire’s Binary and Frequency Scoring in a Chilean Community Sample .