Countless articles have been written about the need to have a great teacher in front of every class, yet each of those teachers will only be allowed to
produce average outcomes.
Not exact matches
Taking the weighted
average outcome for the two states of the world still
produces a poor
average return / risk tradeoff.
Asking the
average person to sit out the market for years on end is not likely to
produce a good overall investing
outcome for many of them, because they will fail to get back in at the right time.
Most of the time, a given set of market conditions is associated with some mix of positive and negative
outcomes, so we focus on the
average of those
outcomes in the expectation that doing so will
produce good results over the complete market cycle even if we are incorrect in specific instances.
Research shows that families typically receive roughly half of the number of home visits expected.16, 17 For example, across three randomized controlled trials conducted of Nurse Family Partnership,
average dosage of visits ranged from 45 to 62 percent.18 Research also shows that many, perhaps most, families enrolled in home visiting programs drop out before their eligibility ends.16, 19,20 Some home visiting studies have varied the dosage that families were offered and found that fewer home visits
produced outcomes similar to higher levels of exposure.21
The model
produces different jobs and growth projections for a business - as - usual scenario with no technology breakthroughs or major new policies, and then generates different
outcomes by factoring in new policies such as a national clean energy standards such as proposed by President Obama; increases in corporate
average fuel economy standards; tougher environmental controls on coal - fired power generators; extended investment and production tax credits for clean energy sources and an expanded federal energy loan guarantee program.
The
outcome of a given division is unpredictable, but in homeostasis the probabilities of
producing two progenitor and two differentiating daughters are the same, so that on
average, equal numbers of progenitors and differentiating cells are
produced across whole population of progenitors.
Even the cost estimates for achieving current
outcomes are speculative; the CEP asks its panels of experts to judge what «a hypothetical
average school district» would have to spend to
produce the current
outcome levels.
Research on Chile's program indicates that vouchers failed to
produce improved
average educational
outcomes, but exacerbated stratification and inequality.
That treasure trove of information enabled the consortium to determine with a high degree of reliability the organizational characteristics and practices that predict whether a school is likely to
produce above -
average improvement in student
outcomes.
On
average, integrated schools — particularly those that bring together students of different socioeconomic backgrounds —
produce stronger academic
outcomes for students of all backgrounds.
Because again, if all those teachers
produced great
outcomes, we'd have to redo the test to make sure those
outcomes were
average.
Two portfolios, with the same
average rate of return over a period of years, can
produce dramatically different values
outcomes because of portfolio volatility.
Literally nobody has ever argued that cutting the
average income of rich nations would automatically
produce better social
outcomes.
These models pooled the repeated measures on each
outcome at ages 18 to 21 years and 21 to 25 years to
produce an estimate of the population -
averaged effect of the level of depression at ages 17 to 18 years on the
outcome after adjustment for covariates.