According to Berne, __________ are behaviors that people use to avoid getting too close to others

A study from 1957 of American children reported that 92% were toilet trained by the time they were ____

a. 3 months old b. 6 months old c. 12 months old d. 18 months old

An item response curve relates the performance of examinees on test items to their estimated

standings on a hypothetical latent ability continuum. Indicate whether the statement is true or false