Research Article

An Effective Multimedia Item Shell Design for Individualized Education: The Crome Project

Table 1

The set of questions to test SUM (a), and to test PRODUCT (b), with increasing difficulties.
(a)

Question 1 2 3 4 5 6

243464
5810101313
Max. time units91518182130

(b)

Question 7 8 9 10 11 12


223344
76691212
Max. time units151518213033