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truthiness  

Illusory Truth Longitudinal Study
View on CRAN: Click here


Download and install truthiness package within the R console
Install from CRAN:
install.packages("truthiness")

Install from Github:
library("remotes")
install_github("cran/truthiness")

Install by package version:
library("remotes")
install_version("truthiness", "1.2.5")



Attach the package and use:
library("truthiness")
Maintained by
Dale Barr
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2021-02-17
Latest Update:
Description:
Data and functions for analyzing and simulating illusorytruth datasets developed as part of a longitudinal study byHenderson Barr and Simons 2020. The illusory truth effect isthe observation that people rate repeated statements as morelikely to be true than novel statements. We tested the trajectoryof the illusory truth effect by collecting truth ratings forstatements repeated across four time intervals immediately oneday one week and one month following initial presentation. Thepackage contains the anonymized data from the study along withstimulus materials as well as functions for analyzing the datarunning simulations and calculating power. Further details aboutthe project are available at httpsosf.ionvugt whichincludes Stage 1 of the Registered Report at the Journal ofCognition httpsosf.iovqnx2.
How to cite:
Dale Barr (2021). truthiness: Illusory Truth Longitudinal Study. R package version 1.2.5, https://cran.r-project.org/web/packages/truthiness. Accessed 06 Oct. 2026.
Previous versions and publish date:
(2026-07-09 07:15), 1.2.4 (2021-02-17 21:40), 1.2.5 (2021-05-24 10:00)
Other packages that cited truthiness R package
View truthiness citation profile
Other R packages that truthiness depends, imports, suggests or enhances
Functions, R codes and Examples using the truthiness R package
Full truthiness package functions and examples
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