Educational Insanity

[NOTE  #1: this was originally posted on February 7, 2008.  I am re-posting it here as part of the #edublogBT idea/meme about which I wrote yesterday.] [NOTE #2: at the time, I had designs on posting a weekly blog post about educational research.  I think I got as far 4 or 5 entries before that [...]

[NOTE: this is the final post in a series of posts about a report recently issued based on a study done by Marzano Research Laboratory.  Part I is here, Part II is here, Part III is here, and Part IV is here.] PART V: SUMMARY AND RECOMMENDATIONS [NOTE #2:  I know, I know...I'm a couple [...]

[NOTE: this is the fourth in a series of posts about a report recently issued based on a study done by Marzano Research Laboratory.  Part I is here, Part II is here, and Part III is here.] PART IV:  INTERNAL VALIDITY “Internal Validity is the approximate truth about inferences regarding cause-effect or causal relationships” (Trochim, [...]

[NOTE: this is the third in a series of posts about a report recently issued based on a study done by Marzano Research Laboratory.  Part I is here and Part II is here.] PART III:  MEASUREMENT VALIDITY AND RELIABILITY As I wrote yesterday, Marzano and his research team had a “dependent variable problem.”  That is, [...]

[NOTE: this is the second in a series of posts about a report recently issued based on a study done by Marzano Research Laboratory.  Part I is here.] PART II: RESEARCH DESIGN ISSUES From a research design perspective, this study (or collection of studies?)  is best described as unusual.  In fact, what Marzano’s research team [...]