Can you relate? Correlation and simple linear regression - Improving the User Experience through Practical Data Analytics - page 235

FIGURE 9.28
Linear Regression output for Behemoth.com data; SPSS.
9.6 MEANWHILE, BACK AT BEHEMOTH
The statistical analysis complements your qualitative indings perfectly. The recruit-
ers complained mightily that the Novix search engine had eliminated Boolean
searching; now you ind that a higher sense of usefulness of Boolean search capabil-
ity is associated with an increased likelihood of adoption of the search engine that
contains a Boolean capability—with statistical signiicance! Recruiters want Bool-
ean, and they're more likely to use your engine if you have it. Killing Boolean was a
mistake—and a costly one.
You send the results to Hans in an e-mail, and within a minute, he pops his head
in your cube.
“You sure 'bout all this stats stuff?”
“Yes, but I can walk you through the details if you like.”
“Nah. But do me a favor; put it all in a nice, sharp Powerpoint. Max 5 pages. Bul-
lets for everything. Keep the stats jargon to a minimum, but give enough details so
Joey will think you know what you're talking about.”