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Module 3 Assignment: Redesign a Slide
College of Professional Studies, Northeastern University
Professor: Walter McHugh
Mar 10, 2024
Introduction
In Assignment 3, I will be delving into the world of data visualization as I evaluate a slide containing a chart. My primary objective is to carefully assess the current design, considering the intended audience and the key points that need to be effectively communicated. With this understanding, I will then set out to create or refine a series of charts to better convey the important information identified. I am eager to learn how to enhance the impact of data presentation and unleash my creativity in this process. The dataset required for this task is conveniently provided in
Excel format, including the chart embedded within the spreadsheet. This assignment presents an exciting opportunity for me to hone my analytical skills and explore the art of visual storytelling with data.
The chart in discussion is
Figure 1: Share of Tech Jobs Requiring AI
Prompt 1
Let's start by considering what is "good" about this chart. Briefly discuss what you like about this chart, and what is "good" about it.
Looking at this chart, what stands out to me as "good" is the clear color distinction between the two categories—it's easy to see that green represents AI jobs and red represents tech jobs overall in the U.S. The use of pie charts provides a quick visual comparison of the proportions briefly, which is helpful for understanding the relative size of AI-related employment within the tech sector. The timeline from 2016 to the projected numbers in 2024 is also good, as it helps to illustrate the trend over time. Furthermore, the annotations at the bottom provide some context about policy changes in Canada that could be influencing these numbers. The incremental
increases in the share of tech jobs requiring AI skills are well-represented, showing the growth over the years in both the U.S. and Canada. This gradual trend is indicative
of the growing importance of AI in the tech industry. Additionally, the chart is easy to read due to its simplicity and the absence of unnecessary clutter, which keeps the focus on the essential data. The projection for 2024 also provides a forward-looking element, suggesting expectations for the future based on past and current trends.
Prompt 2
In a short paragraph, discuss the following: what questions can be answered with the slide? Where, specifically, do we look in the data for answers to these questions? How
effectively are these questions answered by slide?
The slide answers questions about the prevalence of AI-related jobs within the broader
tech industry over time in the U.S. and, to a lesser extent, in Canada. We can see how the share of tech jobs requiring AI skills has evolved from 2016 and is projected to change by 2024. For these insights, we specifically look at the percentage points within each pie chart, where the green segments grow incrementally larger, signaling an upward trend in AI job demand. The annotations below the charts provide contextual information about Canada's investment in AI education and its effect until the program's end in 2020, and the U.S. trend which remains fairly constant. The slide
effectively presents this data, allowing for an at-a-glance understanding of growth trends, but it lacks depth in comparing the U.S. and Canada post-2020, potentially leaving questions about the impact of Canada's program on the 2024 projections unanswered.
Prompt 3
What changes would you recommend based on the lessons we've covered in this course so far? Think about communication, audience, context, how design affects how/what we focus on and perceive, etc.
To enhance the clarity and impact of the slide for its intended audience, it would be beneficial to start with a more informative title or a brief statement at the top that clearly articulates the slide's objective and key messages. This approach ensures the audience immediately understands the slide's purpose. Additionally, providing a legend or a short description that defines what an "AI job" encompasses would help in
distinguishing these roles from other tech positions, adding essential context for the viewers. In terms of design, the slide could benefit from a more streamlined approach.
Reducing the number of pie charts and possibly replacing them with a line graph or bar chart would allow for a better comparative analysis of trends over time between the U.S. and Canada. This not only improves visual focus but also aids in understanding the growth dynamics briefly. Moreover, adjusting the color scheme to enhance contrast and readability would ensure that key data points are easily discernible, even for those with visual impairments. Lastly, the 2024 projections
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would be more meaningful if the slide included an explanation of the assumptions made, especially considering the cessation of Canada’s AI education program, to give the audience a well-rounded understanding of future expectations.
Prompt 4 Redesign the above chart for the two different contexts above: live presentation, and asynchronous viewing by an analyst. Create one slide for each, and at least one chart for each slide. Include *important* text elements as you see fit; consider what information you want to communicate and use your knowledge of visualization design as you've learned in this course to make your communication effective. Note that when you redesign the chart, it can be *completely* different if that furthers your goal (in fact, the best answers will probably look quite a bit different than the original chart!).
When redesigning the chart for two different contexts, the focus shifts to optimizing communication for live presentations and asynchronous viewing by analysts. For live presentations, clarity and impact are paramount. A visually striking bar chart is recommended, presenting quarterly sales performance with concise labels and annotations highlighting key insights. This design ensures quick comprehension by the live audience, emphasizing trends and significant fluctuations. On the other hand, for asynchronous viewing by analysts, the priority lies in facilitating detailed analysis and exploration. A comprehensive line chart with annotations serves this purpose, allowing analysts to delve into nuances and make informed decisions. Additional data points and context are provided to support thorough examination, with a muted color palette reducing distractions. By tailoring the chart designs to suit the specific needs and context of each audience, the communication of data becomes more effective and actionable, whether in a live presentation or during asynchronous analysis.
Plot 1: Live Presentation
Plot 2: Asynchronous viewing by an analyst