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VYS Consultants have an expertise in the following analytic techniques including but not limited to:
- ANOVA, ANCOVA, MANCOVA, and other extensions of the General Linear Model (GLM)
- T-tests: One-Sample t-test, Independent-Sample t-test, and Paired-Sample t-test
- Correlations: Pearson Correlation , Spearman Correlation, and Kendall's tau-b
- Regression: Linear Regression, Hierarchical Regression, and Logistic Regression
- Moderator Analysis (using Structural Equation Modeling or Regression; including Bootstrapping)
- Mediator Analysis (using Structural Equation Modeling or Regression; including Bootstrapping)
- Factor Analysis: Confirmatory Factor Analysis and Exploratory Factor Analysis
- Hierarchical Linear Modeling (HLM)/ Multi-level Modeling (MLM)
- Structural Equation Modeling (SEM): Multi-group Analysis, Path Analysis
- Growth Curve Modeling (using SEM or HLM)
- Cluster Analysis: K-means Cluster Analysis and Hierarchical Cluster Analysis
- Multiple Imputation/ Missing Data Analysis
- Non-parametric Analyses: Chi-Square, Friedman's Test, Wilcoxon Signed-Rank Test, Cochran's Q, Kruskal-Wallis Test, Kendall's Coefficient of Concordance, Mann-Whitney Test, and Lambda
- We work with the following software packages: SPSS, AMOS, and HLM; We are also able to import SAS files into SPSS for analysis.
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Pre-data Collection Services: Methodological Planning
- Measurement Prep: If you know what question(s) you want to ask, but aren’t sure how to ask them, utilize Measurement Prep to guide you through the process.
- VYS consultants will assess, prepare, and offer recommendations to ensure your data effectively answers your research question.
- Troubleshooting for instrument building
- Consultation for instrument selection
- Hypothesis Building: If you know your research question, but aren’t quite sure how to develop a process to make it statistically relevant and testable, using Hypothesis Building can customize a process to achieve successful answers.
- Power Analysis: There may be nothing more maddening than coordinating and collecting your data, only to find that your sample size may be too small to provide statistically meaningful results. VYS consultants will develop a comprehensive plan to achieve the proper amount of participants for your proposed analysis.
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Post-Data Collection Services:
- Data Management/Cleaning: You’ve collected your data, but now what do you do with it? VYS consultants can help you refine, recode, and prepare your data for successful and meaningful analysis.
- Hypothesis Testing: VYS consultants will assist you to perform meaningful tests to your hypothesis, using the analytical methods that best suit your data and research questions.
- Results Drafting Coach: VYS consultants can provide you with customized and detailed demonstrations of how your results can effectively be presented, tailored to your discipline, and using examples from your own results.
- Personalized Video Tutorials: VYS offers comprehensive video tutorials upon request. Tutorials are filmed through a recorded screen-cast and feature step-by-step reviews, suggestions, and examples of interpreted analyses. Our clients have found these tutorials to be ideal for reviewing in preparation for their dissertation defense or their big presentation. While VYS experts are always available for consultation, video tutorials provide a resource on your schedule that can be accessed 24-hours a day, 7 days a week.
- Supplementary Materials: VYS can offer a variety of supplementary materials to complement your data including relevant tables and charts.
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