Experiment to compare visual and verbal performance
A data frame with 80 observations on the following 5 variables.
Subject
Subject number (s1
to s20
)
Task
Follow a letter (Visual
) or a sentence (Verbal
)
Report
Point response (Visual
) or say response (Verbal
)
Group
Combination of Task+Report (Letter Point
, Letter Say
, Sentence Point
, or Sentence Say
)
Time
Response time (in seconds)
Subjects carried out two kinds of tasks, one visual (identify letters), one verbal (identify sentences); and to report the results in either of two ways, one visual (pointing at a response), one verbal (speaking a response). Time to complete each task was recorded in seconds.