Recent Research That Compared Taking a Cognitive Ability Test on a Mobile

Recent research that compared taking a cognitive ability test on a mobile phone versus a computer found that:

A) individuals who took the test on the mobile phone outperformed those who took it on a computer.
B) both groups were generally similar, although taking the test on the mobile phone took less time.
C) individuals who took the test on the mobile device had lower scores and took longer to complete the test.
D) most individuals who took the test on the mobile device were unable to complete the test because of technology issues.