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Fyra prediktionsmetoder som skrivhjälpmedel för personer med kognitiv funktionsnedsättning
University of Borås, Faculty of Librarianship, Information, Education and IT.
University of Borås, Faculty of Librarianship, Information, Education and IT.
2016 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Four prediction methods as writing aid for people with cognitive impairment (English)
Abstract [sv]

Personer med kognitiva funktionsnedsättningar kan ha olika svårigheter med att skriva på mobila enheter som mobiltelefoner och surfplattor. Svårigheterna kan vara att stava korrekt och skriva i normal skrivhastighet. Denna studie vill jämföra olika skrivhjälpmedel mot utan skrivhjälpmedel för att utvärdera vilka som kan bidrar till bättre skrivhastighet och färre stavfel. Studien vill också utvärdera vad personer med kongitiva funktionsnedsättningar tycker om dessa skrivhjälpmedel för att i framtiden kunna utveckla bättre programvara.

Skrivhjälpmedlen som användes i studien är;

● Ordprediktion

● Ordprediktion med ett lättläst lexikon

● Tangentbordsprediktion

● Ordprediktion med tangentbordsprediktion

Studien har två frågor som besvarades. Den första frågan handlade om hur personer med kognitiva funktionsnedsättningar tyckte om de olika skrivhjälpmedlen. Den andra handlade om hur skrivhjälpmedlen påverkade testdeltagarnas skrivhastighet, knapptryckningsbesparingar samt skrivfel. För att besvara dessa frågor användes withinsubject design. Data som samlades in var kvantitativ, där första frågan samlade in data via enkäter medan den andra samlade in via tester som var tillgängliga via en applikation. Resultaten visade på att alla ordprediktionsmetoder ökade skrivhastigheten, minskade knapptryckningar och minskade skrivfelen i någon grad. Ordprediktion med lättläst höjde skrivhastigheten mest till 9,87 ord i minuten jämfört med utan prediktion som hade 7,67 ord i minuten. Flest knapptryckningsbesparingar hade ordprediktion, med en besparingsmängd på 14,04%. Det var väldigt få skrivfel för alla prediktionsmetoder, men de hade alla bättre resultat än utan prediktion som hade flest skrivfel per person. Deltagarna tyckte för det mesta om alla skrivhjälpmedel och kunde tänka sig använd dem i framtiden. Resultaten för alla testerna kunde inte alltid påvisas med statistisk signifikans. Denna uppsats kan hjälpa utvecklare av skrivhjälpmedel för personer med kognitiva funktionsnedsättningar att bestämma vilken typ av skrivhjälpmedel de kan satsa på för utveckling.

Abstract [en]

People with cognitive disabilities can have various difficulties with typing on mobile devices(smartphones or tablets). The difficulties they face could be spelling and writing in normal typing speed. This study has compared different writing aids against no writing aid in the means to evaluate which ones can help improve typing speed and spelling. The study has also evaluated what people with cognitive disabilities think about these type of writing aids to help future development of software.

The writing aids used in the study were;

● Word prediction

● Word prediction with a easy dictionary

● Keyboardprediction

● Word prediction combined with keyboardprediction

The study answered two questions. The first question was what people with cognitive disabilities thought about the writing aids used in the study. The second answered whether the writing aids improved test participants writing speed, keystroke savings and spelling. To answer these questions a withinsubject design was used. The data collected was quantitative, where the first question collected data through questionnaires while the other collected via tests that were available via an application. The goal of this study was to test four different writing aids and compare them against writing without aid to show which can contribute most to the increase in write speed, to the reduction of keystrokes and reduction in typos. To reach these targets we used a withinsubject design, meaning that all participants tested all writing aids. Participants were given a few short questions on the writing aids after the tests through surveys. Collection of data was through a quantitative approach. The results showed that all writing aids increased writing speed, decreased keystrokes and improved spelling. Word prediction with an easy dictionary increased writing speed the most, to 9,87 words per minute, compared to results without prediction which had 7.67 words per minute. Word prediction had the most keystroke savings, with a savings amount of 14,04%. There were very few typing errors for all prediction methods, but they all had better results than without prediction which had the most errors per person. However, only some of these results could be shown with statistical significance. This paper can help developers who develop write aids for people with cognitive disabilities to determine what type of writing aid they may invest in development.

Place, publisher, year, edition, pages
2016. , p. 54
Keywords [en]
word prediction, keyboard prediction, cognitive impairment, corpus
Keywords [sv]
ordprediktion, tangentbordsprediktion, kognitiv funktionsnedsättning, korpus
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:hb:diva-10461OAI: oai:DiVA.org:hb-10461DiVA, id: diva2:950606
Subject / course
Informatics
Supervisors
Examiners
Available from: 2016-08-02 Created: 2016-08-01 Last updated: 2018-01-10Bibliographically approved

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