Would picking each of these survey types over the other depend mostly in a situation, venue, or audience?

I used to work for retail and we had to score 85% or above on the mystery shop. If you fail a mystery shop three times in a row, you will get fired. I thought you guys might be interested so I just wanted to share this.

Internal customers are the backbone of an organization. Without a good and effective internal supports an organization will not succeed. There has to be a link that connects all departments in an organization together. Members of different departments need to communicate to each other to have an understanding of what is happening in each department. This is why knowing your co-workers is very important.

Working for an institution, getting to know your students is the most important thing. If you get to know your students, they will feel more comfortable talking to you about everything. I usually call my students or shoot them an email asking how they doing in classes and if they need help with anything.

Many employees usually go above and beyond to help out a customer and some of them get recognized for their customer service and get reward. Does rewarding an employee puts pressure on other employees to make them feel like they are inferior to that particular employee?