Expimetrics, Inc.

            Overview of Survey Scheduling

            On the Expimetrics platform, survey scheduling can be done for different types of surveys within a project.


            The option of scheduling is done after all the surveys within a project are built.




            As shown above, there are three main types of scheduling options: 


            1. Fixed Schedule: This is a calendar-based scheduling option. Researchers may want to schedule surveys for all participants on the same dates. For example, researchers may be interested in the effect of New Years celebrations or New Years resolutions and schedule surveys for all participants beginning on January 1st.


            This type of schedule accommodates:

            (a) Time-based ESM or EMA surveys (sends signal to participants for a specific time in the day)

            (b) Signal-contingent ESM or EMA surveys (sends signal to participants randomly within a time slot in a day)

            (c) Event-contingent ESM or EMA surveys (allows participants to fill in a survey whenever they encounter an event in the day)

            (d) All of the above in different combinations

            2. Rolling Schedule: Researchers may not be as interested in collecting data from all participants on the same dates. One may seek to collect multiple weeks' worth of data from participants regardless of when participants start the project. This helps with data collection as it is often difficult to start a study on the same date for all participants. The "Rolling Schedule" enables researchers to automatically collect, for example, 2 weeks' worth of data from participants, beginning whenever the participant starts the project.


            This type of schedule accommodates:

            (a) Time-based ESM or EMA surveys (sends signal to participants for a specific time in the day)

            (b) Signal-contingent ESM or EMA surveys (sends signal to participants randomly within a time slot in a day)

            (c) Event-contingent ESM or EMA surveys (allows participants to fill in a survey whenever they encounter an event in the day)

            (d) All of the above in different combinations

            3. Static Schedule: Researchers may not need to schedule surveys based on dates or days. Instead, a researcher may seek to do a "one-off" survey. This option allows researchers to collect one-time data from participants.


            The "Static Schedule" also allows researchers to collect data on surveys multiple times. That is, participants can submit their responses to the same surveys multiple times. For example, a researcher may want to collect data for a "health survey" from participants whenever they fall ill over a period of 3 months.


            This type of schedule accommodates:

            (a) One-time surveys

            (b) Event-contingent ESM or EMA surveys (allows participants to fill in a survey whenever they encounter an event in the day)



            Important note:


            One of the strengths of the Expimetrics platform is that all the scheduling will be conducted based on participants' time zones. For example, an 8am survey will be sent to participants at 8am regardless of which part of the world a participant is in. This is automatically handled through the Expimetrics participant-time algorithm.


            Another strength of the Expimetrics platform is that mobile app notifications will be sent to participants for all date- and day-scheduled surveys. In other words, any survey scheduled within "Fixed" or "Rolling" schedules will have an app notification sent to participants to remind them that a survey is available for them to take. All app notifications are handled by the Expimetrics platform automatically.


            All of a participant's surveys are automatically linked over time. When participants participate in a project which has multiple (scheduled) surveys, all the data are linked to the participant uniquely. Researchers do not need to include survey questions requesting researcher-assigned participant IDs in order to link surveys.


            Updated: 15 Jul 2019 03:24 AM
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