Bias in Merit Awards?

An engineering department gave 10 awards in 2022 and 9 awards in 2021 to high-achieving students. "The prerequisite to receive the award is a grade of 6.0 [highest possible grade in Switzerland] for the thesis, an average final grade of at least 5.25 in the Master’s program as well as a written endorsement by the … Continue reading Bias in Merit Awards?

Analyzing Between-Person and Within-Person Associations

Explanations and implied causal mechanisms for digital media use often operate at the individual level. For example, the hypothesis photo sharing with friends increases social connectedness implies that when people share more photos they will feel more connected. A typical test of such a hypothesis might rely on a linear regression with a count measure … Continue reading Analyzing Between-Person and Within-Person Associations

Simulating Sample Size Effects

Simulate and plot data in R to see the effects of sample size differences Results: https://twitter.com/MoritzBuchi/status/1394967444209471488 library(truncnorm) # modified version of rnorm() to allow min and max specification n <- 20 # base n f <- 1:75 # sample size multiplication vector N <- n * f # vector of 75 different sample sizes (20 … Continue reading Simulating Sample Size Effects

Quantifying Internet Use

This post summarizes key findings from our article How Long and What For? Tracking a Nationally Representative Sample to Quantify Internet Use published in the Journal of Quantitative Description: Digital Media. Read more about this new journal here. The internet is increasingly used across multiple devices, often on the go, and very much integrated into … Continue reading Quantifying Internet Use

How the Participation Gap Biases Group Evaluation

It is misleading to use the top performing individuals to compare groups of unequal sizes. Say you wanted to know whether men or women are better at chess or which country has the best athletes; using the top performers as representatives for each group (gender or country) would bias the evaluation simply because of group … Continue reading How the Participation Gap Biases Group Evaluation