 በመጀመሪያ, በአጋጣሚ በተመረጠው ጊዜ ከ 9 00 እስከ ጠዋቱ 6 00 ባለው ሰዓት ውስጥ ተሳታፊ ስለነሱ እንቅስቃሴዎች እና ስሜቶች በመጠየቅ "ልምዶች ናሙና ጥናት" ልኳል.
First, she sent an "experience sampling survey" at a randomly selected time between 9am and 6pm asking participants about their current activities and feelings.