| data_low_vision {mnreadR} | R Documentation |
MNREAD data collected in subjects with low vision.
Description
A dataset containing raw MNREAD data for 12 subjects with low vision. 6 subjects were treated with treatment A while the other 6 were given treatment B. Each subject was tested twice on the MNREAD:
once on the regular polarity of the test (black print on white background)
once on the reverse polarity of the test (white print on black background)
Usage
data_low_vision
Format
A data frame with 437 rows and 7 variables, where each line stores data for one sentence:
- subject
subject ID code
- polarity
test polarity used (regular or reverse)
- treatment
treatment given to the subject (A or B)
- vd
viewing distance in cm
- ps
print size in logMAR, as written on the chart (print size uncorrected for viewing distance)
- rt
reading time in seconds
- err
number of errors
...
Source
Data collected at the Minnesota Laboratory for Low-Vision Research (UMN)