Time in intervention. The intervention delivery software
logged how long a participant spent on each page by
calculating the difference in time between when a page
loaded and when responses were submitted. Because
participants could be logged out due to inactivity or could
choose to save their work midpage and return at a later
date or time, invalid outliers could be present. To reduce
the effect of these outliers, the top 5% of recorded times
for each page were replaced with the median time of the
remaining 95%. Then, total time was calculated by summing
times across all pages of the intervention.