data_low_vision: MNREAD data collected in subjects with low vision.

In mnreadR: MNREAD Parameters Estimation and Curve Plotting

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)

mnreadR documentation built on June 25, 2021, 1:07 a.m.