When you only have a week: Rapid-response, grassroots public services for access, wellness, and student success

National strategy for access and student success in higher education

Calculating MTTF When You Have Zero Failures

How do you calculate the MTTF (Mean Time To Failure) when you have zero failures? If you use the standard equation for MTTF, which is the ratio of total testing time and the number of failures, you get an answer of infinity. In such cases, you define a confidence level between 0 and 100 and then compute the lower bound chi-square value using two degrees of freedom. The equation for calculating ...

When is a student-centered, technology supported learning a success?

The iPad as a learning tool has made its way into many elementary school classrooms worldwide. It holds a promise to be a game changer in elementary school education supporting more constructivist learning practices. This paper offers an insight into what happened when, in two elementary school classrooms, the students were enabled to generate both content and context for their own learning. On...

What do you claim when you say you have a proof?

disciple: Your proof was quite beautiful. speaker: Thank you! disciple: Actually, sometimes, I had a bit a problem following. There was quite a jump from the Fundamental Lemma to Theorem A. speaker: Well, yes, because the time was short. But I can give the details. disciple: Rigorous? speaker: Yes, of course. disciple: And Theorem B? speaker: The Fundamental Lemma also implies Theorem B; you ca...

“When You’re a Baby You Don’t Have Puberty”

Basic knowledge of human reproduction can help youth prepare for puberty and make later classes focused on advanced reproductive health topics manageable. With the intention of potentially informing the creation of learning materials, we conducted a needs assessment among children ages 7 to 12 in our suburban Chicago community to ascertain their current understanding of, and beliefs and misconc...