Usability - Scoring done 05.02.2012

Length of bar = Number of products good + - poor Usability

The performance index 'Ease-of-Use' congregates all technical features that are dedicated to provide an easy and convenient product experience to the user.

Every product group of consumer electronics shows a set of several attributes that is weighed and calculated to a single performance index.

Products that are easy to handle and provide great comfort to the user show higher performance indices than those with less convenience offerings. This performance index therefore indicates the ease-of-use and convenience of the corresponding product in comparison to all other products available on the market.