Author Archives: davidbdale

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About davidbdale

What should I call you? I prefer David or Dave, but students uncomfortable with first names can call me Professor or Mister Hodges. My ESL students' charming solution, "Mister David" is my favorite by far.

The “Give Directly” Hypothesis

In 2013 Daniel Handel, an economist with USAID—the U.S. government’s main agency for foreign assistance—had just moved to Rwanda when he heard about a charity that was testing a bold idea: Instead of giving people in poor countries, say, livestock … Continue reading

Posted in davidbdale, Test a Hypothesis | 30 Comments

Counterintuitivity

Counterintuitive Thinking In case I forget to ask you later, somewhere in your Notes today, please tell me what specific example in the lecture provided you with the clearest understanding of what I mean by counterintuitive, and why. Before we begin … Continue reading

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Card Hypothesis

FACT: Each card has a number on one side and a letter on the other.HYPOTHESIS: Every card that has a vowel on one side has an even number on its opposite side.THE TEST: Which card or cards must you turn … Continue reading

Posted in davidbdale, Riddles | 19 Comments

Apple’s “Face Palm” Bug

Apple Was Slow to Act on FaceTime Bug That Allows Spying on iPhones By Nicole Perlroth SAN FRANCISCO — On Jan. 19, Grant Thompson, a 14-year-old in Arizona, made an unexpected discovery: Using FaceTime, Apple’s video chatting software, he could eavesdrop … Continue reading

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Task: Purposeful Summaries

The Purposeful Summary Task You’ll be writing Purposeful Summaries of three counterintuitive articles as discussed in today’s Purposeful Summary Lecture. Links to dozens of candidate articles can be found in the sidebar of the blog. You may make use of … Continue reading

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Africans and Americans

Riddle: Find the African-American

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My Hypothesis—davidbdale

My Hypothesis—davidbdale concussions in football concussions and helmet design in NFL football the effect of improved helmet design on the number of concussions suffered by players in NFL games Helmet designs that act like shock absorbers to reduce the impact … Continue reading

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Portfolio Grade Conferences

TUE MAY 01 & THU MAY 03 As the final business of our semester next week, you’ll each meet with me for a Portfolio Conference to discuss your body of work for the semester and your final overall grade. Please … Continue reading

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A17: Reflective Statement

The Reflective Statement The Reflective Statement provides you the opportunity to describe and assess your work in the course. The Reflective Statement serves as a guide to your portfolio in that it gives you and your instructor a clear, specific … Continue reading

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Research Position Paper

Your Research Position Paper (which we have sometimes called your Long Argument) is due THU APR 19. It will incorporate most of the material you have gathered and organized into your shorter Definition, Causal, and Rebuttal Arguments. The paper will … Continue reading

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