A data frame with 279 observations on the following 20 variables.
number a number between 1 and 30
colorVer which version of the 'favorite color' question was
on the survey. A factor with levels v1 v2
color favorite color if among predefined choices. A factor
with levels black green other purple
red
otherColor favorite color if not among choices
above.
animalVer which version of the 'favorite color'
question was on the survey. A factor with levels v1 v2
animal favorite animal if among predefined choices. A factor
with levels elephant giraffe lion
other.
otherAnimal favorite animal if not among the
predefined choices.
pulseVer which version of the 'pulse'
question was on the survey
pulse self-reported pulse
TVver which of three versions of the TV question was on the
survey
tvBox a factor with levels <1 >4
>8 1-2 2-4 4-8 none other
tvHours a numeric vector
surpriseVer which of
two versions of the 'surprise' question was on the survey
surprise a factor with levels no yes
playVer which of two versions of the 'play' question was on
the survey
play a factor with levels no yes
diseaseVer which of two versions of the 'play' question was
on the survey
disease a factor with levels A
B
homeworkVer which of two versions of the 'homework'
question was on the survey
homework a factor with levels
A B