Focus groups are typically used to gather qualitative data about a product or service, while the other options are all quantitative methods for evaluating the effectiveness of a virtual learning environment.

Learning analytics can be used to identify students who are struggling, track student progress, and measure student engagement.

Average grade is not a direct measure of student engagement, while the other options are all common metrics used to measure student engagement in a virtual learning environment.

All of the above are challenges associated with using student surveys to evaluate a virtual learning environment.

Learning analytics is a quantitative method for collecting data about a virtual learning environment, while the other options are all qualitative methods.

All of the above are advantages of using a mixed-methods approach to evaluate a virtual learning environment.

Face validity is not a common type of validity assessment used to evaluate a virtual learning environment, while the other options are all common types of validity assessment.

All of the above are purposes of conducting a pilot study before implementing a new virtual learning environment.

Social media is not a common method for disseminating the results of a virtual learning environment evaluation, while the other options are all common methods.

All of the above are challenges associated with evaluating the effectiveness of a virtual learning environment.

Mixed-methods design is not a common type of evaluation design used to evaluate a virtual learning environment, while the other options are all common types of evaluation design.

The main purpose of using a comparison group in an experimental design to evaluate a virtual learning environment is to control for the effects of other factors that could influence the results of the evaluation.

Learning analytics is not a common type of data collection method used to evaluate a virtual learning environment, while the other options are all common types of data collection methods.

All of the above are challenges associated with using qualitative data to evaluate a virtual learning environment.

Blog post is not a common type of report used to disseminate the results of a virtual learning environment evaluation, while the other options are all common types of reports.