November 2, 2011

Getting Immediate Student Feedback the Plus/Delta Way

By: in Teaching and Learning

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Professors teach in a vacuum; we enter the classroom, deliver our lessons, and leave, and rarely get any feedback on the quality of our instruction before the end of the semester when formal faculty evaluations are completed by students. Other than grades on tests and other assessments, we really don’t know for sure if students are learning what we are teaching, and we often don’t have a good handle on whether our instruction is working.

This semester I have one student who thanks me every time he leaves class. I’m not sure of his motivation, but the impact of his words makes me feel that he values the class and what we do there. The other 19 students leave without saying a word, which I find frustrating. I want to know more about what they experience in class and if they too find it valuable.

Kember, Leung, & Kwan, writing in Assessment & Evaluation in Higher Education (2002) indicate that formal faculty questionnaires completed by students at the end of the semester are not always effective in improving faculty performance, for many different reasons. Part of this problem is that the evaluations occur after the fact, after the class is completed and the professor and students have gone their separate ways. Hesketh & Laidlaw, writing in Medical Teacher (2002), state that feedback is most effective when it is well-timed according to daily work and is as close to the event that it evaluates as possible.

That’s why I like to use something called a “plus/delta” evaluation. The plus/delta is a brief, half-page form that I hand out at the beginning of class. It was first developed by Dr. Marj Davis and Dr. Helen Grady at Mercer University. I ask students during class to think of a “plus” – something they like about our class, and a “delta” – something they’d like to change. When class is over, I ask them to leave their completed forms (with no name) by the door, and I collect them and read the anonymous answers. After being sure to tell the students to give me substantive feedback, and not to mention that the room is too cold or that they are hungry after lunch – things I cannot control – I usually get good, solid comments that I can use to improve my teaching.

The Plus Delta feedback form

I conducted a plus/delta in two of my classes recently, and learned that my students liked the PowerPoint presentations I was giving, but felt I wasn’t using the textbook enough. I also learned that they wanted more hands-on assignments so that they could apply what they were learning. This was immediate, timely feedback that enabled me to redirect my lesson planning to accommodate their interests.

It’s not a perfect solution, of course. Not everything the students write is valuable. Sometimes they write a plus but leave the delta blank. And sometimes they comment that everything is fine the way it is. Nevertheless, the plus/delta is a quick and easy way to receive valuable feedback from students on a regular basis. It takes very little class time, keeps the responses anonymous, and points me to small changes I can make to improve the class. This in turn makes the class experience more valuable for everyone!

Susan Codone, PhD is an associate professor of technical communication in the School of Engineering at Mercer University.

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Comments

Noel | November 2, 2011

This is another great article. I have often agonised about the inadequacy and futility of end of semester evaluations and have in fact implemented a mid-semester evaluation in one of my classes. I like this idea and though I have big classes I think I can do a sample of students with the co-operation of my class representative. Thanks very much.

Sheila BSimpson | November 2, 2011

Great idea that I can use with a Web 2.0 tool called Wallwisher. I will incorporate it in my classes immediately.

Open | November 4, 2011

Excellent idea. I will try it!

Jim | November 5, 2011

Yes! Very good! This very semester I received last semester's evaluations during the 2nd week of class after I had already handed out the semester syllabus. I have always felt we need feedback that can effect improved teaching strategies before we begin a new semester. . .during the semester (which would of course call for flexibility) could presumably yield even more positive outcomes.

@erejman | November 8, 2011

Just checked out Wallwisher – what a neat tool! I've been trying to find a way for students to post articles of interest during the year in a quick fashion – this fits the bill.

@erejman | November 8, 2011

This is an interesting alternative to the start, stop, continue method that I often use at the halfway point of any course. This provides some good ongoing feedback for each class.

Dr. Anil Ambasana | July 13, 2013

Wonderful idea. This is the idea which should made compulsory for every teacher. At least we would come to know what we are teaching and what students are learning.


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