Web-Based Assessment of Visual and Visuospatial Symptoms in Parkinson’s Disease

Table 3

Content validation of visuospatial items.

Visuospatial items from questionnaire	Visuospatial tasks
	Landmark; 𝑁=24	JLO; 𝑁=23	Road Map; 𝑁=23
Getting lost	0.21	0.35	0.29
Left/Right decisions	0.54*	0.56*	0.41
Navigation	0.80*	0.56*	0.29
Map reading	0.86*	0.60*	0.55*
Judging objects in relation to each other	0.75*	0.54	0.27
Determining the distance between objects	0.55*	0.58*	0.48
Estimating distance between you and objects	0.39	0.43	0.26

*Pearson correlation 𝑃^′𝑠≤0.007; Landmark: Landmark Test of Line Bisection; JLO: Judgment of Line Orientation.