Create the Name and email survey

I would use form question type for the survey (name, email as fields).  You can provide participants with a QR code to scan.

Create a pre and post survey 

Set this up Qualtrics - Pre and Post survey compare them in the survey flow in both surveys (pre and post).

Create a Workflow in the Name survey

1. Workflows
2. +Create a Workflow
3. Start when an event is received
4. Survey response
5. Make sure the follow is marked or checked Newly created responses and keep the language the response was received in and everything is fine click finish
6. Click on the +
7. Add a task
8. Scroll to find XM Directory
9. Distribute survey
10. Distribute Survey Task screen
    1. Distribution Type: Individual
    2. Distribution Method: Email/Embedded Data
    3. Link Type: Individual
    4. When: Immediately
    5. Select how you want to save or update info: Save or update it as embedded data to your XM directory contacts
    6. Select a contact list and set XM Directory Fields
       1. Contact List
          1. My Library 
             1. New Contact List
                1. Name the list (the name should should show up at the Contact list after you named it.
       2. First name: is required so if you don't have it in your survey just type FirstName but if it is part of the survey click {a}
          1. Survey Question
          2. Pick the Question
          3. First Name
       3. Last Name: is required so if you don't have it in your survey just type LastName but if it is part of the survey click {a}
          1. Survey Question
          2. Pick the Question
          3. Last Name
       4. Email address is required {a}
          1. Survey Question
          2. Pick the Question
          3. Email address
    7. Search the name of the survey you wish to send.
    8. From Address: Should NOT be change
    9. From Name: If you want to utilize different name instead of your name, you can modify it.
    10. Reply-To Email: If you want to utilize different email address instead of the noreply email, you can modify it.
    11. Subject: Is Required
    12. Message: Leave the piping for the survey links and the OptOutLink alone.  
    13. Days before link expires: default is 60 but you can change that.
    14. If you want a reminder check the Reminder
        1. Your options are number Days or Months from the date that they received the invite.
        2. You fill out the time and the time zone
        3. Reminder subject
        4. Reminder Message (You use saved one or you can create new message.)
    15. Save

If you wish to compare the post to the pre, make sure you utilize the same Contact List. I would go through the Contact list and opt them out if the pre was not filled out for email address so they would not receive the link for the post.  

Close up of steps 15 (creating new contact list or finding one)

Close up steps for 16 - 18

Close up step for 19

Showing Reminder options