Engagement with a mobile-based assessment application in English as a Second Language Courses

Data collected from the interaction of N=120 students with a mobile-based assessment application in eight English as a Second Language courses in Colombia. The purpose was to apply the survival analysis method to determine if the time at which students disengage from the application was influenced by the acceptance of the appliction and the student motivation. The data set has the following columns:
ID=internal ID of student
reported_effort=self-reported measure of effort.
feedback=number of times that students received corrective feedback in the mobile-based assessment app.
interface= self-reported measure of the perception of the interface.
perceived_ease_of_use = self-reported measure perceived ease of use.
perceived_usefulness=self-reported measure perceived usefulness.
behavioral_intention= self-reported measure of behavioral intention.
Importance= self-reported measure of perception of importance.
correctAnswers=total number of correct answers provided by the students in the mobile-based assessment app.
time_ontask= total amount of time automatically measured by the mobile-based assessment app of the time students were answering questions in the application
status=if students failed to answer an adequate number of questions in the mobile-based assessment app.