One lives only to make blunders

Simulation on adjusting for confounders in a mixed model

A brief tidyverse-style simulation to figure out what happens, if I don't include varying slopes in a model.

The reliability of multilevel parameters in Bayesian regressions

brms
measurement
reliability
modelling

Modeling misclicks in an app interface

measurement
methods

Thinking through my approach for modelling false positive button clicks in an app interface.

Latent group means with brms

brms
modelling
quick job

Richard McElreath recently shared a tutorial on how to do estimate latent group means (à la Mundlak) in Stan. I try to follow his code, do the same with brms, and try to implement a solution Matti Vuorre posted.

Multilevel censored location-scale models

Simulating several models and their ability to recover within-subject and between-subject effects on scale

Reanalysis: Sexual attraction to visual sexual stimuli and hormones

hormones
hibar

Analyzing the public data shared along with a recent publication by Schön et al. (2023): Sexual attraction to visual sexual stimuli in association with steroid hormones across menstrual cycles and fertility treatment

Opportunity, equality, and genetics, seminar session 2

teaching
opportunity-equality-genetics

Notes on my seminar (German title "Chancen, Gleichheit und Genetik") oriented around K. Paige Harden's book "The Genetic Lottery" (2021).

Opportunity, equality, and genes, a seminar on The Genetic Lottery

teaching
opportunity-equality-genetics

Notes on my seminar (German title "Chancen, Gleichheit und Genetik") oriented around K. Paige Harden's book "The Genetic Lottery" (2021).

HIBAR: Effects of acetaminophen on risk taking (with virtual balloons)

HIBAR
re-analysis
risk taking

Had I Been A Reviewer.

Mis-allocated scrutiny: a quick simulation

meta science
reproducibility
mistakes
quick job

Below I document my simulation code underlying an upcoming blog post at The 100% CI.

HIBAR: Sex‑Differentiated Changes in Sexual Desire Predict Marital Dissatisfaction

HIBAR
post-publication review
sexual desire
marriage
relationships

Had I Been a Reviewer. Actually, I was a reviewer. Huh! So, how did this turn out?

Correction to Arslan et al. (2019).

correction
ovulation

Some additional information on the correction notice for _Using 26,000 diary entries to show ovulatory changes in sexual desire and behavior_ that appeared today.

HIBAR: Tympanic temperature and social connectedness

HIBAR
re-analysis
temperature
experience sampling

Re-examining a reported association between physical temperature and social connectedness.

HIBAR: How methods and practices changed after the replication crisis in social psychology

HIBAR
re-analysis
post-publication review
meta science
bibliometrics

Had I Been a Reviewer. A post-publication peer review with some added figures.

Who initiates sex?

sex diary
open science
sexual activity
sex
quick job

A chicken-and-egg-question?

Sexual activity by time of day

sex diary
open science
sexual activity
sex

Examining when women in our diary study were sexually active.

Measuring contraception

sex diary
open science
contraception

How we measured methods of contraception, reasons for using different contraceptives, and fertility awareness.

Intra-individual feedback

sex diary
open science
feedback
visualization

Thinking through an intra-individual menstrual cycle feedback.

Do single mothers have a stronger influence on their kids?

simulation
data-generating model
brms

And how would you test that?

The Golden Age of Never Finishing Anything

sex diary
open science

Serialising the results from our sex diary study.

Genetische Analysen implizieren keineswegs Unmenschlichkeit – im Gegenteil

Genetische Unterschiede sind ein Argument für den Sozialstaat

Revised: Are studies that replicate cited more?

meta science
open science
reproducibility
quick job

Looking at the RPP to bring data to a discussion

New rational athletics for boys and girls.

mistakes
bug bounty

Accounting for mistakes in my scientific work and announcing a bug bounty program.

Are big studies cited more?

meta science
open science
reproducibility
quick job

Does sample size predict number of citations?

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One lives only to make blunders

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Text and figures are licensed under Creative Commons Attribution CC BY 4.0. Source code is available at https://github.com/rubenarslan/rubenarslan.github.io, unless otherwise noted. The figures that have been reused from other sources don't fall under this license and can be recognized by a note in their caption: "Figure from ...".