Mr. Johnson wants a hyperactive boy to be able to sit quietly for at least 15 minutes at a time. To do this, he begins praising the boy for sitting still for one minute, then for two minutes, and then only for four minutes, and so on. Mr. Johnson's strategy reflects which one of the following concepts?

a. Shaping
b. Generalization
c. Discrimination learning
d. Intermittent reinforcement

The following force measurements were taken during actual testing of the lever pictured. what is the ama of this lever?

Why did working women earn one-thrid to one-half as much as men

Griffin correctly concludes that the coordinate pair for the russian federation is an influential point, because removing the russian federation from the relationship will significantly change the trend of the regression line. is an influential point, because removing the russian federation from the relationship will not significantly affect the estimated coefficient of determination of the regression line. is not an influential point, because the russian federation does not have the highest cvdir of all 1111 nations in the scatterplot. is an influential point, because removing the russian federation from the relationship will not significantly affect the estimated slope of the regression line. is not an influential point, because the russian federation has a positive residual in the least-squares linear regression.