Success in Mobile and Ubiquitous Learning: Indicators of Effectiveness-Figure 4. Number of participants in the studies

<p>Figure 4 shows the number of participants in the studies, with the majority being on a small scale, having less than 100 participants (72%). Twenty percent of the studies involved over 100 but less than 1,000 participants, and only two cases included more than 1,000 participants (4%).</p>