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  • Type and its legibility:
    7 Questions for
    Sofie Beier


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    Sofie Beier from Denmark is an assistant professor employed at the School of Design under The Royal Danish Academy of Fine Arts. She holds a PhD from the Royal College of Art in London. Her research focuses on typeface legibility, aiming at a better understanding of how different typefaces and letter shapes can influence the reading process. Her new book “Reading Letters—designing for legibility” tries to bridge the gap between scientific research and applied graphic and type design.

    There are two groups who deal with typographic legibility: On the one hand, there are scientist, usually from the field of psychology, who carry out scientific tests to study how we read texts and which parameters influence the legibility of type. On the other hand there are graphic designers and type designers which base their opinions about legibility on the conventions of hundreds of years of type setting and their personal experience. Unfortunately, until recently both sides rarely talked to each other, resulting in designer’s opinions about legibility which contradict the current state of scientific legibility research and scientists doing research with insufficient test set-ups and questionable interpretations of their studies. Luckily, this is currently changing. More and more research is done, where scientists and designers work together—designers like Sofie Beier.

    For her dissertation she researched the effects of type familiarity. Her new book Reading letters is in parts based on this work. It combines scientific theories and findings with typographic and historic background knowledge about the design principles of type for certain applications. You can take a look at the table of contents here.

    The purpose of the book is to support type designers in creating legible typefaces and help graphic designers to determine the optimal typeface for a given project. But the book doesn’t work like a “manual”. It does not list the most legible typefaces or will tell you settings for font-sizes, line-heights and so on. It’s all about understanding the principles of legibility. Definitive answers about the fundamental parameters of legibility are yet to be found and Sofie Beier was certainly well advised, not to speculate too much in this book. But still, even though this book cannot answer every question about legibility — if you are interested in legibility research from a typographic point of view, this is the book you need to read.

    1.

    How did you became interested in the scientific research of legibility in the first place?

    Many years ago, I was looking for a book on the subject. I wanted to expand my knowledge on typeface legibility in relation to my own type design. I couldn’t find such a book, so I started a more systematic collection of what various writers had put forward on the topic. This eventually led to me taking up a PhD at the Royal College of Art in London. 

    book1.png

    2.

    How did you became interested in the scientific research of legibility in the first place?

    I have no doubt that scientific legibility investigations can improve the design of new typefaces. Until the industrial revolution, typefaces were solely applied in printed books. Contemporary typefaces have to meet a range of new demands. Sometimes they are 2 meters high on a billboard, sometimes 10 pixels high on a computer display. Legibility varies depending on the situation the typeface is presented in. Scientific legibility investigations can help us understand these differences.

    cover.jpg

    3.

    How did you became interested in the scientific research of legibility in the first place?

    Yes, three of my typefaces (Ovink, PykeSpencer) all came out of a study on the individual letter shape that I ran in collaboration with Kevin Larson. Within each typeface we looked at the shapes of those lowercase letters that are known to be misread most often. The three typefaces are based on these findings. On top of that, I also added other legibility improving elements related to their individual usages. Ovink is a signage typeface, Pyke is a text typeface, and Spencer is more an allround typeface.

    book2.png

    4.

    How did you became interested in the scientific research of legibility in the first place?

    Many designers do not care much about legibility; the focus is often on other things. That being said, it depends on the circumstances. Research shows that we are quite capable of reading words even when some of the letters are illegible. We simply use the surrounding letters and our knowledge of possible letter combinations to guess what letter it is. So in some situations, the one-storey a might not be a problem.

    book3.png

    5.

    How did you became interested in the scientific research of legibility in the first place?

    Everything indicates that it is the case. I have no idea why. It is an interesting topic, which I hope to run experiments on in the nearest future.

    pyke.png

    6.

    How did you became interested in the scientific research of legibility in the first place?

    The issue mentioned above, of character proportions in distance viewing might be the biggest surprise. When we know more, it can end up having a large implication on the design of new signage systems. 

    spencer.png

    7.

    How did you became interested in the scientific research of legibility in the first place?

    Throughout the history of legibility research, this has been the most popular question to investigate. I believe serifs play a role, sometimes good and sometimes bad. 



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