Importance of Usability Factors by Age Group Age Group 16-24 25-30 31-49 50-65 Grand Total Effectiveness 46 12 13 7 78 Efficiency 45 10 12 7 74 Satisfaction 33 10 9 6 58 Learnability
35 10 9 7 61 Memorability 24 10 8 6 48 Error Handling 30 7 7 6 50 Cognitive Load 17 5 5 1 28 Table 2.
The test shows no difference relating to how the two groups perceive the usability characteristics (all rated positively) on the mobile apps they use concerning; Learnability
, Effectiveness, Simplicity, Intuitiveness, Understandable, Attractiveness, and Satisfaction.
may find proper solution by employing specific HCI research methodologies related to usefulness, effectiveness, learnability
, flexibility and satisfiability.
Maintaining the emphasis upon the learnability
and Cognition: The Acquisition of Argument Structure.
Applications of learnability
theory to clinical phonology.
Several studies (DePaula, 2003; Ficarra, Nichol, Cripolla-Ficarra, & Richardson, 2011; Issa and Turk 2010; Leung & Law, 2012; Shneiderman & Plaisant, 2010; Serum, Andersen, & Vatrapu, 2011; Te'eni, Carey and Zhang 2007) indicate that good HCI design promotes reliability, ease of use, communicability, learnability
and as a consequence affects the user's productivity and choices.
We connect learnability
and evaluation easily: in coming to learn how to think well, we will take advice from a person by evaluating what we have done, should (not) have done, should (not) do, etc.
Her topics include sociolinguistic and social psychology issues regarding English in a changing world, learnability
in second language acquisition, hypotheses, methodology, attitudes towards non-native English accents, and attitudes towards variation in specific consonants.
Ultimately, the usability of any product, interface or physical environment can be understood by to these five components - learnability
, efficiency, memorability, errors (prevention and correction) and satisfaction.
and the Vapnik-Chervonenkis dimension.
In this search for understanding the process of learning a second language and finding appropriate ways to teach it, the Chomskyan metaphor regarding the learner's mind as a computer (1956) has had a considerable influence on the way we have comprehended and interpreted the process of language acquisition and on the notion of second language learnability