expectancy effect

基本解释

There are two serious problems with case studies — expectancy effects and atypical individuals.
然而，案例分析法存在两大严重的缺陷，它容易受到期望效应以及非正常个体的影响。
The application of"Teacher's Expectancy Effects"is an effective affective approach terms of the learner's, affective factors.
从英语学习者的情感因素看，“教师期望效应”的运用是一种有效的情感手段。
Expectancy effects include the experimenter’s underlying biases that might affect the actions taken while conducting research.
期望效应包括实验人员的潜在偏见，这将影响研究的执行。

Given the higher rates and predicted trends of obesity in American children and adults, health gains over the past century could be wiped out by the deleterious effects on disease outcomes and life expectancy that will be seen for decades to come if the current situation is not remedied.
FORBES: Obesity: The New 'Just Say No' For 2013
Beyond its impact on life expectancy, obesity and being overweight correlate to innumerable serious diseases and have overwhelming effects detrimental to quality of life.
FORBES: Obesity: The New 'Just Say No' For 2013