balance8 {hmmr}

Repeated measures on the balance scale

Description

Data are from 8 repeated measurements of 25 balance scale items with 1004 participants ranging from 6-17 years of age. The data are aggregated over 5 item types: weight (w), distance (d), conflict weight (cw), conflict distance (cd), and conflict balance (cb).

Usage

data(balance8)

Format

A data frame with 8032 observations on the following 23 variables.

id

the participant id number.

age

the participant age in years.

sex

a factor with levels m f

group

the participant school group number; groups 3-8 are in primary school; corollary10 and 11 in secondary school.

school

a factor with levels primary secondary

time

the number of the repeated measurement.

wc

the number of correct weight items.

wi

the number of incorrect weight items.

ws

the total number of weight items.

dc

the number of correct distance items.

di

the number of incorrect distance items.

ds

the total number of distance items.

cwc

the number of correct conflict-weight items.

cwi

the number of incorrect conflict-weight items.

cws

the total number of conflict-weight items.

cdc

the number of correct conflict-distance items.

cdi

the number of incorrect conflict-distance items.

cds

the total number of conflict-distance items.

cbc

the number of correct conflict-balance items.

cbi

the number of incorrect conflict-balance items.

cbs

the total number of conflict-balance items.

totalCor

the total number of correct items.

totalTrials

the total number of items.

Source

Brenda Jansen, University of Amsterdam. Unpublished data.

Examples

data(balance8)