__________ variable is a factor that is not itself under study but affects the measurement of the study variables or the examination of their relationships.

Related MCQs

• You have a correlation coefficient of 0.45 between two variables. How much variance would these two variables (to the nearest whole number) share, in percentage terms
• A student evaluation of teaching effectiveness for a particular course asks students to respond to their level of agreement with several statements according to the scale 1 = Strongly Agree, 2 = Agree, 3 = Neutral, 4 = Disagree, and 5 = Strongly Disagree. The responses indicate what level of measurement?
• In correlation, for a positive relationship ____ scores on one variable tend to be associated with ____ scores on the other variable
• What will be the range of "r" when we find that the dependent variable increases as the independent variable increases
• In regression, the equation that describes how the response variable (y) is related to the explanatory variable (x) is:
• Statistics is the study of _______ measures of the values associated with variables
• Celsius and Fahrenheit temperature scales are examples of interval levels of measurement
• In computing Index Numbers, ___________ is concerned with the measurement of price changes over a period of years, when it is desirable to shift the base
• You are conducting a study to see whether a new experimental medication will cause bald men to grow hair. You divide your patients into 2 groups. To one group you give the medication. To the other group, you give a placebo. In this study, the correct terms for the taking of the medication and the growth of hair are the following.
• The _________coefficient (r) is a ratio between the covariance (variance shared by two variables) and a measure of the separate variances.