Figures & data
Fig. 1 Screenshots of the 10-question true/false quiz applet. (a) Each question has only two choices. (b) An error message for an incomplete submission. (c) A successful submission returns a grade instantaneously and erases the submitted answers. (d) The collective result from everyone in the class.
Fig. 2 Screenshots of the Match Letters with Envelopes applet. (a) The initial interface of the applet. (b) An example of letters being manually shuffled into envelopes.
Fig. 3 Screenshots of the simulation results on the Match Letters with Envelopes applet. (a) The distribution of the total number of correct matches. (b) The distribution of correct matches by each envelope. A horizontal dashed line is placed at the theoretical relative frequency, 1/7.
Fig. 4 Screenshots of (a) an online final exam question with a link directing students to an applet to retrieve randomized datasets, (b) the applet in which students use their school ID numbers to retrieve randomized datasets, and (c) an applet that provides reference answer keys to instructors.
Fig. 5 Screenshot of a survey applet that gives students a visual understanding about the standard deviation.
