|
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
Investment of
effort to change teaching
|
|
|
|
y |
Minimum
threshold of effort
|
|
|
|
y |
Threshold varies
by discipline, by technology,
|
|
by individual,
by goals
|
|
|
|
y |
Invest below
threshold - more
|
|
|
disappointment
than gain
|
|
|
|
y |
Invest at or
above threshold - success
|
|
|
depends on
choices, support
|
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|