A Comparison of Field-Based and Lab-Based Experiments to Evaluate User Experience of Personalised Mobile Devices

Table 2

The overall user experience assessment for each task.

Task	Friedman (3 related samples)	Multiple paired comparisons [23, page 180] (𝛼=.05)
Follow sporting action	𝑁=18,	𝑁=18, 𝑅system-initiated−𝑅use-initiated = 15, >Z =14.36*
	𝜒^2(2) = 27.5,	𝑁=18, 𝑅system-initiated−𝑅paper = 49, >Z = 14.36*
	𝑃<.001	𝑁=18, 𝑅user-initiated−𝑅paper = 34, >Z =14.36*
Obtaining athlete information	𝑁=18,	𝑁=18, 𝑅system-initiated−𝑅use-initiated = 2, <Z =14.36
	𝜒^2(2) = 29.4,	𝑁=18, 𝑅system-initiated−𝑅paper = 16, >Z = 14.36*
	𝑃<.001	𝑁=18, 𝑅user-initiated−𝑅paper = 18, >Z =14.36*
Reviewing athletics event results	𝑁=18,	𝑁=18, 𝑅system-initiated−𝑅use-initiated = 17.5, >Z =14.36*
	𝜒^2(2) = 35.5,	𝑁=18, 𝑅system-initiated−𝑅paper = 35, >Z = 14.36*
	𝑃<.001	𝑁=18, 𝑅user-initiated−𝑅paper = 17.5, >Z =14.36*
Building a community	𝑁=18,	𝑁=18, 𝑅system-initiated−𝑅use-initiated = 6, <Z =14.36
	𝜒^2(2) = 29.6,	𝑁=18, 𝑅system-initiated−𝑅paper = 24, >Z = 14.36*
	𝑃<.001	𝑁=18, 𝑅user-initiated−𝑅paper = 30, >Z =14.36*
Checking event schedules	𝑁=18,	𝑁=18, 𝑅system-initiated−𝑅use-initiated = 16.5, >Z =14.36*
	𝜒^2(2) = 34.5,	𝑁=18, 𝑅system-initiated−𝑅paper = 34.5, >Z = 14.36*
	𝑃<.001	𝑁=18, 𝑅user-initiated−𝑅paper = 18, >Z =14.36*

*Indicates a significant result.