There is extensive literature on the development and validation of multi-item measurement scales. Much of this is based on principles derived from psychometric theory and assumes that the individual ...

As part of our Data for Drummies guide, the IAB’s Angelina Eng argues that privacy isn’t a barrier but a catalyst for ...

The scales included other tricks too, including measuring the user’s heart rate and syncing all of that collected data with the cloud and an accompanying app allowing users to easily track their ...