Lilakayser

Distributing learning over time usually advantages long-term retention greater than a short interval.
Due to a effectively-documented phenomenon in psychology known as the "testing effect", testing your self is vital to reinforcing your learning, even for those who get the reply flawed.

To offset the blending of questions inherent in the design of the check - this calls for care be taken that answer sheets are accurately completed and that each one questions have been answered; take into account guessing when there isn't any penalty for a flawed answer.