Both Uses

analytical
in
Blink, by Malcolm Gladwell
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In the 1980s, Van Riper would often take part in training exercises, and, according to military doctrine, he would be required to perform versions of the kind of analytical, systematic decision making that JFCOM was testing in Millennium Challenge.†
Chpt 4 *

analytical = relating to logical examination to improve understanding
When we talk about analytic versus intuitive decision making, neither is good or bad.†
Chpt 4

analytic = relating to logical examination of something to better understand it

Definitions:

(1) (analytical)
relating to logical and systematic examination of something to better understand it -- often implying some kind of quantitative analysis
(2) (meaning too rare to warrant focus)