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Developing pause thresholds for keystroke logging analysis
Umeå University, Faculty of Social Sciences, Department of Psychology.
2015 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Research on the process of writing uses bursts and pauses as key artifacts of underlying cognitive

processes. However, the definition of a pause in writing is primarily based on tradition and ease of

comparison between studies. This study explores keystroke logging data collected from middle

school pupils (N=46) in northern Sweden, Norway and Finland and questions the traditionally

defined pause’s usefulness, comparability and validity for investigating the underlying cognitive

processes during writing. By examining the raw computer keystroke log data it was revealed that the

group had a large variance in typing speed between participants and that different textual contexts

had big variances compared to each other. Through exploration of different pause definitions’ effects

on the text it was concluded that the twice the median length of pause (median x 2) was a good

measurement for investigating pauses in sentences. Further, the 1.5 times the median (median x 1.5)

for pauses between keystrokes within words proved useful for investigating the production of

individual words.

Abstract [sv]

Forskning på skrivprocesser har länge använt kaskader och pauser som nyckelartefakter av

underliggande kognitiva processer. Definitionen av en paus i skrivande är dock främst baserade på

tradition och direkt jämförbarhet mellan studier. Denna studie utforskar loggade tangenttrycknings

data insamlade från elever (N=46) i mellanstadiet i skolor i norra Sverige,

Norge och Finland och ifrågasätter den traditionellt definerade pausens användbarhet, jämförbarhet

och validitet för att utforska underliggande kognitiva processer under skrivande. Genom att granska

rå-data visade det sig att gruppen som helhet hade stora skillnader i skrivhastighet mellan deltagarna

och att olika textuella kontext hade stora skillnader jämfört med varandra. Genom en undersökning

av olika paus definitioners effekter på text kom det fram att dubbla längden på medianen för pauser

(medianen x 2) var ett bra mått för att undersöka pauser i meningar. Dessutom var 1.5 gånger

medianen (medianen x 1.5) i inom-ords kontexter ett användbart mått för att studera produktionen

av individuella ord.

Place, publisher, year, edition, pages
2015. , 23 p.
Keyword [en]
cognitive, writing, keystroke, keystroke logging, language, reading
National Category
Other Social Sciences
URN: urn:nbn:se:umu:diva-105870OAI: diva2:834468
Educational program
Programme in Cognitive Science
Available from: 2015-08-12 Created: 2015-06-30 Last updated: 2015-08-12Bibliographically approved

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