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Evaluation type: eval domain
Evaluation type: eval domain

Everything you need to know about the evaluation type: eval domain

Updated over a week ago

This evaluation type checks if the domain in the student’s answer and the domain in the Definition field are equivalent.

Example:

Important note: this evaluation type only works properly if

  • the domain in Definition field and student’s answer are written in disjunctive normal form.

Example Definition field: x>3 and x<10 instead of 3<x<10

Example student’s answer:

instead of

or

If you want students to also be able to answer using interval notation, you can use the evaluation type eval interval.

  • the order of the expressions in the Definition field and the student’s answer is variable operator number and not number operator variable.

Example Definition field: x>3 and x<10 instead of 3<x and x<10

Example student’s answer:

instead of

  • only one variable is used.

The options for operators are:

Operator

use in Definition field

use in student’s answer

equal

=

=

not equal

#

greater than

>

>

less than

<

<

greater or equal than

>=

less or equal than

<=

❗ Note that this evaluation type does not have automated feedback.

More on evaluation types

An overview of all evaluation types can be found here (for mathematical answers) and here (for text-based answers). More detail on the different fields of a feedback rule can be found here.

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