Publications by Iris Zhong (
Reproducibility Report for an SEL Program Efficacy Study by Low et al. (2019, Developmental Psychology)
Introduction Social-emotional learning (SEL) programs have recently gained increasing attention. Therefore, it is vital to evaluate the program’s efficacy in promoting social-emotional and academic skills. Low et al. (2019) utilized a two-year dataset from Second Steps that recorded behavioral reports and observations on over 9,000 students fr...
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Reproducibility Assignment Group A Choice 3
For this exercise, please try to reproduce the results from Experiment 6 of the associated paper (Shah, Shafir, & Mullainathan, 2015). The PDF of the paper is included in the same folder as this Rmd file. Methods summary: The authors were interested in the effect of scarcity on people’s consistency of valuation judgments. In this study, partic...
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PSYCH 251 PS2
In this assignment we’ll learn about dplyr and tidyr, two packages from the tidyverse that allow elegant and easily understandable data tidying and manipulation. We’ll do this by working through the steps of loading an actual dataset, tidying it up, and carrying out some basic analyses. The dataset we’re using comes from the OSF Reproducibl...
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Reproducibility Report for an SEL Program Efficacy Study by Low et al. (2019, Developmental Psychology)
Introduction Social-emotional learning (SEL) programs have recently gained increasing attention. Therefore, it is vital to evaluate the program’s efficacy in promoting social-emotional and academic skills. Low et al. (2019) utilized a two-year dataset from Second Steps that recorded behavioral reports and observations on over 9,000 students fr...
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Reproducibility Assignment Group B Choice 3
For this exercise, please try to reproduce the results from Experiment 2 of the associated paper (de la Fuente, Santiago, Roman, Dumitrache, & Casasanto, 2014). The PDF of the paper is included in the same folder as this Rmd file. Methods summary: Researchers tested the question of whether temporal focus differs between Moroccan and Spanish cult...
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PSYCH 251 PS 4
This is problem set #4, in which we want you to integrate your knowledge of data wrangling with some basic simulation skills. It’s a short problem set to help consolidate your ggplot2 skills and then help you get your feet wet in testing statistical concepts through “making up data” rather than consulting a textbook or doing math. For ease ...
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Papaja tutorial
This is a tutorial for writing reports with the R package papaja. But why write in R in the first place? Why use papaja? Advantages: Formatting looks beautiful without much effort needed. Conform to APA style (6th version). papaja is short for Preparing APA Journal Articles. No need to go back and forth between R and Word to update figures and ...
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