This is home for my research publications, each linked with accompanying preprints, posters, and/or news pieces.

Written by Jason Geller

Sans Forgetica is not desirable for learning

Abstract Do students learn better with material that is perceptually hard to process? While evidence is equivocal on the matter, recent claims suggest that placing materials in Sans Forgetica, a perceptually difficult-to-process typeface, has positive impacts on student learning. Given the weak evidence for other similar perceptual disfluency effects, we examined the mnemonic effects of Sans Forgetica more closely in comparison to other learning strategies across three preregistered experiments.

By Jason Geller, Sara D. Davis, & Daniel Peterson in Research

May 28, 2020

Is a picture really worth a thousand words? Evaluating contributions of fluency and analytic processing in metacognitive judgements for pictures in foreign language vocabulary learning

Abstract Previous research shows that participants are overconfident in their ability to learn foreign language vocabulary from pictures compared with English translations. The current study explored whether this tendency is due to processing fluency or beliefs about learning. Using self-paced study of Swahili words paired with either picture cues or English translation cues, picture cues garnered higher confidence judgments but not faster study times, and this was true whether judgments of learning were made after a delay (Experiment 1) or immediately (Experiment 2).

By Shana K Carpenter & Jason Geller in Research

October 2, 2019

GazeR: A package for processing gaze postion and pupil size data

Abstract Eye-tracking is widely used throughout the scientific community, from vision science and psycholinguistics to marketing and human-computer interaction. Surprisingly, there is little consistency and transparency in preprocessing steps, making replicability and reproducibility difficult. To increase replicability, reproducibility, and transparency, a package in R (a free and widely used statistical programming environment) called gazeR was created to read and preprocess two types of data: gaze position and pupil size.

By Jason Geller, Matt B. Winn,Tristian Mahr, & Daniel Mirman in Research

January 24, 2019

A pupilometric examination of cognitive control in taxonomic and thematic semantic memory

Abstract Semantic cognition includes taxonomic and thematic relationships, as well as control systems to retrieve and manipulate semantic knowledge to suit specific tasks or contexts. A recent report (Thompson et al., 2017) suggested that retrieving thematic relationships (i.e., relations based on participation in the same event or scenarios) requires more effort or cognitive control, especially when the relevant relations are weak, than retrieving identity relations that are based on sensory-motor features.

By Jason Geller, Jon-federick Landrigan, & Daniel Mirman in Research

January 24, 2019