Author Archives: canoemoore

Applying generalizability theory with R

Posted on October 10, 2012 by canoemoore

One of the things I like about my current job is getting to apply generalizability theory. I have to confess that I didn’t appreciate G theory at first, but now that I’m analyzing data from performance assessments (i.e., ratings of … Continue reading →

Posted in Praxes | 1 Comment

Estimating congeneric reliability with R

Posted on September 22, 2012 by canoemoore

I was recently tasked with estimating the reliability of scores composed of items on different scales. The lack of a common scale could be seen in widely varying item score means and variances. As discussed by Graham, it’s not widely … Continue reading →

Posted in Praxes | 1 Comment

Converting Rasch units (RITs) to thetas

Posted on May 25, 2012 by canoemoore

How do you place Measures of Academic Progress (MAP) Rash unit scores (RITs) on the normal theta metric (and vice versa)? I searched the Web but couldn’t find a straightforward answer. What I’ve gathered from various sources is that RIT … Continue reading →

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Urban canoeing: Dining at The Sample Room

Posted on October 22, 2011 by canoemoore

I finally found some time to upgrade my Wike canoe trailer. As I mentioned in an earlier post, the trailer had a hard time handling Scrappy, my 17′ Alumacraft canoe. I added a U-bolt to adequately secure the bow, and … Continue reading →

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Urban canoeing: North/Northeast Minneapolis

Posted on September 11, 2011 by canoemoore

Back in July, my friend, Joe, and I were laid off during the state government shutdown. It was a stressful time, not knowing if or how the shutdown would end and having to cut back on expenses to make up … Continue reading →