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# Congruency effects in dot comparison tasks: Convex hull is more important than dot area.

dataset

posted on 2016-08-24, 14:56 authored by Camilla GilmoreCamilla Gilmore, Lucy Cragg, Grace Hogan, Matthew InglisMatthew InglisData from the studies reported in

Gilmore, C., Cragg, L., Hogan, G., & Inglis, M. (in press). Congruency effects in dot comparison tasks: Convex hull is more important than dot area.

Experiment 1. This is a by-items dataset with the following variables:

ProbNum: Problem number

CHratio: Convex hull ratio of the arrays

Dotratio: Cumulative dot area ratio of the arrays

Numratio: Numerical ratio of the arrays

MeanAge: Year group mean age

Accuracy: Mean accuracy

Experiment 2. This is a by-items dataset with the following variables:

ProbNum: Problem number

CHratio: Convex hull ratio of the arrays

Dotratio: Cumulative dot area ratio of the arrays

Numratio: Numerical ratio of the arrays

Timing: Display time in ms

Accuracy: Mean accuracy

Gilmore, C., Cragg, L., Hogan, G., & Inglis, M. (in press). Congruency effects in dot comparison tasks: Convex hull is more important than dot area.

*Journal of Cognitive Psychology*. doi:10.1080/20445911.2016.1221828Experiment 1. This is a by-items dataset with the following variables:

ProbNum: Problem number

CHratio: Convex hull ratio of the arrays

Dotratio: Cumulative dot area ratio of the arrays

Numratio: Numerical ratio of the arrays

MeanAge: Year group mean age

Accuracy: Mean accuracy

Experiment 2. This is a by-items dataset with the following variables:

ProbNum: Problem number

CHratio: Convex hull ratio of the arrays

Dotratio: Cumulative dot area ratio of the arrays

Numratio: Numerical ratio of the arrays

Timing: Display time in ms

Accuracy: Mean accuracy

## Funding

### ESRC: ES/1037474/1

## History

## School

- Science

## Department

- Mathematics Education Centre