Table 3.

Modules of the Paint-cAR application and the 5-VARLE.

Module in the application	Variable measured by the monitoring Module (the 5-VARLE)	Description of the variable	Events measured
Scaffolding Module	Use of Scaffolding	This variable represents the use of the Scaffolding Module in the Paint-cAR application during the ARLE.	The number of times that each student uses the Scaffolding Module.
Real-time feedback Module	Real-time feedback	This variable represents the use of the Real-time feedback Module when students interact with objects in the ARLE.	The number of times that each student read the feedback provided by the application in the AR experience. This event is registered when students do not ignore the message of feedback (close it).
Assessment Module	Learning outcomes	This variable represents the results of students when they answer the tests in the application.	A ratio of the number of test approved and the number of test answered in the application.
AR Module	Degree of Success	This variable represents the number of successful activities completed in the ARLE. This means when students succeed in selecting the correct product or tool they need to use for each step in the process of repairing paint on a car.	Number of correct products or tools selected in each one of the steps in the process of repairing paint on a car.
	Time on-task	This variable represents the amount of time that students spend in the ARLE using the Paint-cAR application.	The amount of time in seconds that students spend on the ARLE.