What are the characteristics of popular zApps?

zApps that receive the highest ratings and most participants are those that share these common characteristics:

• The zApp Name concisely describes the content and nature of the zApp.
• The zApp Category and Subcategory are selected thoughtfully.
• The zApp is targeted to the correct audience, i.e. the Level of the zApp is consistent with the participants’ skills and learning requirements.
• The zApp Lesson, if one is included, is meaningful, well presented and often comprises embedded multimedia.
• The questions are well-formulated, varied in type and structure and require appropriate thought for the marks awarded to it.
• Hints and/or explanations, where included, are appropriate to the question, identify common difficulties, and offer the participant the required amount of assistance.