| Functionality | ||||
| Description | Purpose | Application Method | Measurement Scale | |
| Currency of references per section | Assessment of Currency | X = (A/B)% where A = number of references published in the last 5 years, B = Total number of references in the section | Percentage (Absolute) | |
| References per section | Assessment of Completeness | Count the number of references per section | Number (Absolute) | |
| The degree of closeness of given definition of key terms referenced per section, to the actual meaning. | Assessment of Precision | Compare each definition of a key term in a section with the actual value (as referred to reliable sources) | Likert (Ordinal) | |
| Reliability | ||||
| Hyperlinks per section that are valid | Assessment of Availability | X = (A/B)% where A = number of hyperlinks working, B = Total number of hyperlinks in the section | Percentage (Absolute) | |
| The degree to which failure to accomplish the set educational goals in a section, can be remedied by providing different educational paths. | Assessment of Recoverability | Measure the efficiency of the learning paths offered when a learner fails to reach his/her goals, within a section | Likert (Ordinal) | |
| Usability | ||||
| Degree to which key educational goals are presented so that a learner can easily comprehend them, per section. | Assessment of Understandability | Measure the degree of comprehensiveness of all key concepts in a section in relation to an average learner. | Likert (Ordinal) | |
| Number of figures included per section | Assessment of Attractiveness | Measure the number of figures in a section. | Number (Absolute) | |
| Number of examples per section | Assessment of Understandability | Measure the number of examples per section. | Number (Absolute) | |
| Efficiency | ||||
| Workload per section | Assessment of Time Behavior | Number of minutes required by an average student to comprehend a section. | Number (Absolute) | |