Identifying Usability and Productivity Dimensions for Measuring the Success of Mobile Business Services

Table 1

The dimensions for the questionnaire on the success of mobile business services and examples of statements.

Dimensions	Examples of statements	Source
Installation	The mobile service was easy to assemble, install, and/or setup into the mobile device	[17, 22]
Learnability	It was easy to learn to use the mobile service	[16, 17, 22, 41]
	Experience with other mobile services (or products) made it easier to operate this service
Ease of use	It is easy to move from one part of a task to the next with the mobile service	[16, 22]
Efficiency	I can complete my work tasks quickly by using the service with a mobile device	[18]
	The mobile service responds quickly to my actions	[16, 17]
Effectiveness	The work task sometimes fails because of the mobile service
	The mobile service enables quick, effective and economical performance of work tasks	[18]
User satisfaction	I would recommend the mobile service also for others doing the same work	[16]
	Using the mobile service in performing the work tasks is pleasing	[16]
Factors related to Mobile work context	The battery capacity of the mobile device is sufficient for the use of the service for work tasks
	The screen size of the mobile device is adequate for using the service for work tasks
	Inputting information to the mobile device is easy
	Sometimes, the environment (such as coldness, sunshine, darkness) makes the use of the service difficult
	The mobile device suits well for performing my work tasks while on the move
	Exchanging and transmission of data between the mobile service and other products (e.g., computer, other mobile devices) is easy	[16, 17, 22]
	Switching between the different applications (e.g., calls and work task) in the mobile device is easy
Safety	The use of the mobile service has caused me safety risks while on the move
	I sometimes have to fully concentrate on using the mobile service and cannot observe the environment
	It is easy to perform work tasks in a hurry with the mobile service
Support	I always know who to ask for help if I have problems performing work tasks with the mobile service
	The help information given by the mobile service is useful	[16]
Impacts on Mobile work productivity	Using the mobile service in my job reduces travelling from and to the office during the work day
	The mobile service helps me complete my work tasks quickly
	Using the mobile service in my job increases my productivity	[19]
	Using the mobile service in my job increases my work motivation