Smartphone display size can cause distortions in perceptual estimates of size.

Everyday we consume massive amounts of visual information on mobile devices like smartphones. However, are there consequences for viewing information on these devices? In 2 experiments, participants viewed several target objects on two differently sized virtual smartphone displays, and then made a judgment of the size of each target item. Results from both experiments confirm that smartphone display size does impact user perceptions of size, such that larger displays cause users to significantly underestimate the size of objects. This effect held when target items were presented alone, or concurrently with a non-target referent. This is the first study to confirm such an effect and suggests that the size of a smartphone display can negatively influence the accuracy of users' visual perception. Thus, beyond aesthetics or cost, it must be realized that the choice of device might have additional perceptual consequences for consumers.