| 词汇 | background-variable |
| 释义 | background variable noun[ C ] social science specializeduk /ˌbæk.ɡraʊnd ˈveə.ri.ə.bəl/ us /ˌbæk.ɡraʊnd ˈver.i.ə.bəl/ a factor(= fact or situation) that can affect other values in a scientific study, but cannot be affected by those values: Several background variables were considered in the research. The groups that we studied did not differ in any of the background variables. It is difficult to give a value to the background variables that affect learning. Background variables of the people who participated in the study are shown in the table on page 6. The background variables include family income, parents' education, race, and gender. Statistics actuarial actuary analysis of covariance canonical correlation categorical variable central tendency correlation coefficient covariance matrix covariate cross-sectional density function entropy interpoint interquartile range multigroup non-statistical normal distribution pollster statistician stochastic Comparecategorical variable contextual variable continuous variable control variable dependent variable dummy variable explanatory variable independent variable intervening variable outcome variable response variable |
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