EDTECH 506 Assignment: CARP

Week 7 Graphic_ Gout-3

CARP stands for contrast, alignment, repetition and proximity. These actions are used in a graphic to help learners select, organize, and integrate information.

I am designing a blended course on arthrocentesis (inserting a needle into a joint to either remove fluid or inject medication). The graphic I designed how to differentiate two types of crystals that can be found in joint fluid which are commonly confused with each other. Again, the circles (I chose circles because when you look in a microscope the visual field is circular) indicate what would be seen under a microscope. I chose the purple color because the background in a polarized microscope is purple. This graphic will be used in the “Basic Principles” section of the course. I created the image using Google Drawings.

Write a justification paper for the activity you select. Describe the following:

  • Your users and the assumptions you make about them (such as age, reading level, and assumed skills). My users are internal medicine residents who have graduated from medical school. They know all the terms used in the graphic.
  • Why you think your solution will work; include at least two ideas from the book, including page numbers and your interpretation of the passage used. I use shape to facilitate comparison of the types of fluid (Lohr 2008, p. 252). I use a sans serif font (trebuchet) to improve legibility of the title of the graphic and the text inside the circles. I am more concerned with legibility than readability as there are only short bursts of text instead of long passages of text (Lohr 2008, p. 227). I use repetition of the circles to tie this graphic to the one I made last week as they will be located on the same web page. I wanted to create a sense of unity (Lohr 2008, p. 203). I also use repetition in the design (same lay out of each half and same reminder at the bottom of the page). I also tried to use repetition of an important letter (N and P) in each half of the graphic to help the learner remember the most important characteristics. I use color to approximate the color of the crystals and the color is used for all text of each of the crystal types. All “body” text is left aligned and horizontally aligned across the graphic (Lohr 2008, p. 201).
  • What you learned from a “user-test” (have someone look at the image and verbalize their thoughts while looking at the image). I asked 2 faculty to evaluate the image. I asked for their overall gestalt about what the image was depicting and then specifically about the color scheme and scripting of the text. They commented that they liked the color scheme and scripted reminders at the bottom.
  • The changes you will make based on user comments (or create a revised image). I didn’t make any changes.



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