A collection of tools for conducting statistical power analysis across methods including correlation, t-tests, ANOVA, regression, and structural equation modeling. The collection was created by Zhiyong Zhang and serves as the engine for the WebPower online analysis platform.
Use Cases
- Calculate required sample size for a t-test based on the included power analysis tools.
- Plan power for a mediation analysis study using the described mediation analysis module.
- Determine statistical power for a multilevel modeling project based on the multilevel modeling tools.
- Assess power for longitudinal data analysis as referenced in the description.
Strengths
- Covers a wide range of statistical methods, from basic correlation to advanced structural equation modeling.
- Created by a named author, Zhiyong Zhang, providing a point of origin.
- Serves as the engine for a live online platform (webpower.psychstat.org), suggesting practical validation.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count and dataset scale are unknown, which may limit suitability assessment.
- Last update date is unknown; freshness unverified.
Provenance
- Source
- Zhiyong Zhang
- Collection Method
- Collection of statistical tools and calculations.
- Time Range
- null
- Freshness
- Last updated date is unknown.
- Geography
- null