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Sam Mancuso

Sam Mancuso

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Posted on 28 Sep, 202228 Sep, 2022

Permission to use the Dysmorphic Concerns Questionnaire

Researchers and clinicians frequently request permission from me to use the Dysmorphic Concerns Questionnaire (DCQ). However, I do not hold the copyright for the DCQ,…

Continue reading → Permission to use the Dysmorphic Concerns Questionnaire

Posted on 29 Jan, 202116 Feb, 2021

Sex and Gender Variables in Surveys

A summary of Australian Bureau of Statistics' recently released Standard for Sex, Gender, Variations of Sex Characteristics and Sexual Orientation Variables for survey use.

Posted on 13 Feb, 202025 Jan, 2021

Free step-down resampling adjustment for multiple testing in linear regression

An implementation of the free step-down resampling p-value adjustment for multiple-testing of regression models.

Posted on 12 Feb, 20201 Feb, 2021

Meta-analysis with the 2-step DerSimonian-Laird estimator

R code for the 2-step DerSimonian and Laird estimator for tau-squared in random-effects meta-analyses.

Posted on 6 Feb, 202025 Jan, 2021

Model-based bootstrapped AN(C)OVA

R Function that runs model-based boostrapping for regression, ANOVA, or ANCOVA models.

Posted on 30 Jan, 20209 Feb, 2021

Bootstrap Mediation Analyses

Below is the R code for conducting mediation analyses using the bootstrap method detailed in Preacher and Hayes (2004). Please note that my function uses…

Continue reading → Bootstrap Mediation Analyses

Posted on 5 Nov, 201825 Jan, 2021

Linear Mixed Model Sample Size Calculations

This post outlines a Shiny app to calculate the required sample size for a two-group linear mixed model. It uses the power.mmrm function from the…

Continue reading → Linear Mixed Model Sample Size Calculations

Posted on 8 Nov, 201711 Feb, 2021

SF-12 v2 scoring using Australian population weights

This brief post provides the R syntax to calculate SF-12 v2 scores using Australian population weights. The population weights are derived from: Hawthorne, G., Osborne,…

Continue reading → SF-12 v2 scoring using Australian population weights

Recent Posts

  • Permission to use the Dysmorphic Concerns Questionnaire
  • Sex and Gender Variables in Surveys
  • Free step-down resampling adjustment for multiple testing in linear regression
  • Meta-analysis with the 2-step DerSimonian-Laird estimator
  • Model-based bootstrapped AN(C)OVA

Past Posts

  • Sep 2022 (1)
  • Jan 2021 (1)
  • Feb 2020 (3)
  • Jan 2020 (1)
  • Nov 2018 (1)
  • Nov 2017 (1)

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