Skip to main content

Posts

Showing posts from July, 2014

First day of class: Persuading students to treat statistics class as more than a necessary evil (with updates)

I am busy prepping my statistics class for the fall (as well as doing a bunch of stuff that I should have done in June, but I digress). Most of my students are required to take statistics and are afraid of mathematics so I'm going to try to convince them to embrace statistics by showing them that more and more non-statsy jobs require data collection, data analysis, data driven decisions, program assessment, etc..  I find that my students are increasingly aware of the current job market as well as their student loan debt. As such, I think that students are receptive to arguments that  explain  how even a little bit of statistical knowledge can make them more attractive to potential employers. Here are some resources I have found to do just that.  This article by Susan Adams for Forbes lists the top ten skills employers are looking for in employees. Included in the top ten: "2. Ability to make decisions and solve problems 5. Ability to obtain and ...

ed.ted.com: TED video + assessment + discussion board

The folks of TED have created ed.ted.com , a website that allows you to use their videos (or any video available via youtube) and create a lesson around the video. You can create an assessment quiz (and save your student's grades on the assessment). You can also create discussion boards and post your own commentary/links related to the content of the video. I know, right? There are several lessons that relate to statistics and research methods . Here is a shorter video that teaches the viewer how to assess  the quality of medical research , and here is a list of TED talks about Data Analysis and Probability  While the teaching of statistics and research methods are my jam, you can use any old video from youtube/TED ( like the many talks featuring psychology research ) and create an online lesson and assessment about the talk. Pretty cool! I think these could be use as bonus points, a quick homework assignment, and as a way to reiterate the more conceptual ideas surroun...

Nate Silver and Allison McCann's "How to Tell Someone’s Age When All You Know Is Her Name"

Nate Silver and Allison McCann (reporting for Five Thirty Eight, created graphs displaying baby name popularity over time.  The data and graphs can be used to illustrate bimodality, variability, medians, interquartile range, and percentiles. For example, the pattern of popularity for the name Violet illustrates bimodality and illustrates why measures of central tendency are incomplete descriptors of data sets: "Other names have unusual distributions. What if you know a woman — or a girl — named Violet? The median living Violet is 47 years old. However, you’d be mistaken in assuming that a given Violet is middle-aged. Instead, a quarter of Violets are older than 78, while another quarter are younger than 4. Only about 4 percent of Violets are within five years of 47." Relatedly, bimodality (resulting from the current trend of giving classic, old-lady names to baby girls) can result in massive variability for some names... ...versus trendy baby names th...

Every baby knows the scientific method

I am the mother of a boundary-testing two year old and my little guy likes to replicate his research findings with me all day long. We're currently trying to pull a sufficient n-size to test his hypothesis of whether or not I will ever let him eat dog food. I don't want to p-hack, but I'm pretty sure that that answer is no.