ZPD

Zone of Proximal Development, “ZPD,” is the zone between what users can know how to do on their own and what they can’t accomplish even with the help of a wonderfully designed interface.

Remarkable Design

How does one design a remarkable product? “Well, it depends on a product,” some would say. But couldn’t we say something general? Why do we feel passionate about some products but not others? Consider conversations: some are fun, some are boring; some engage lots of people, some not so much; some result is heated exchanges, some are more neutral. Note that you can be very passionate about a topic, but don’t consider it fun: rape, genocide. Politics engages lots of people, but the details leave most bored. Some conversations generate sustained interest, and some fizzle out without a remark. What’s required for a conversation to be remarkable? That depends on the audience. To be engaged in a discussion, you have to find the topic interesting to you. And what’s interesting to you, might not be to me. Thus the topic of conversation is a variable of the targeted audience. Even if you find the topic amusing, you might not have the time to participate in the conversation. “I would love to talk to you about quantum space time, but the plane leaves in 5 minutes.” And it is so noisy on the plane that you can only hear every other…

Science vs. Media: Degree of Public Involvement

Recently, there has been an explosion of public discourse (fueled by the media) on whether we should do away with tenure in our institutions of higher learning. The basic argument boils down to “tenured teachers can do as they please due to job security and education suffers as the result.” Tenured professors, we are told, focus on research and publishing incomprehensible articles aimed at a few individuals in the world who could even understand them. What’s the use in that, people ask? My son/daughter/neighbor’s kid are being taught by a TA (with poor language skills) while we pay thousands of dollars for the privilege of these children attending universities with all those lazy good-for-nothing tenured professors! You might say that my summary of this world-view is extreme and simplifies the ideas to their comic representation. But that’s the point: the articles (and the readers’ comments they inspire) are written to get an emotional response. The issues of tenure, of the research that these tenured professors are engaged in and the articles they publish, and of teaching styles are complex. To evaluate the contribution of a scientist to his field, one needs to have a certain amount of expertise in that…