Because learning can not be seen directly, objectives provide a basis for making the best
possible inferences about whether learning has occurred.
That question is one
possible inference from the departure of Barclays» (BARC) head of European utilities, Mark Lewis, who this week joined financial think - tank Carbon Tracker as its new head of research, in a rare move in the industry.
Now the temperature record (though only for 2008) can suddenly be trusted, and the
widest possible inferences can be drawn from the latest figures, though not, of course, from the records of the preceding century.
It was not started with any clear knowledge of
its possible inferences.
The rear driver does not have to prove every single aspect of the accident, or negate
every possible inference that he may have been at fault in the crash.