However, some educators, particularly those who support small data and mastery-based learning, are wary of that sort of approach.
Now, to an ever greater extent, researchers work with immense collections of digital data, and the mastery of such mountains of information depends on computing power.
First, the ALEKS course data included course mastery levels from adaptive assessments delivered by ALEKS (the commercial version online during the time of Fall 2014), a record of the time each student spent working in the system, and a log of student interactions with the system (e.g., right and wrong answers on each problem).
Analysis of the participating programs' objectives, combined with interview data, revealed that mastery of this competency lacked consistency and specificity across programs, with related training objectives scattered under several different competencies.
By manipulating the data we can exercise mastery over our fate.
The company had hired Christopher Wylie, a twenty-three-year-old Canadian with a mastery of data, who had been working on political campaigns in the U.K. and in Canada since he was a teen-ager.
In a speech to business leaders on Thursday he said: "Around the world Clubcard is more famous than Tesco… but not enough companies are showing a mastery of data".
But when you talk to the insiders about Mr. Krueger, what they emphasize is his mastery of data and his utter commitment to the truths it can be coaxed to tell.
These kinds of smart keyboards require a mastery of data capture and mining, such as understanding how people are actually tapping their phones to determine which keys are actually being pressed.
They have to order books, do inventories, manage distribution, deal with loss and damage of reading materials, create, photocopy and distribute worksheets, create and grade quizzes, differentiate and personalize learning for students within a wide range of learning paths (and abilities) without much real data on students' individual mastery, among others.
