Four-year-old Kyle insists on playing the same card game and always in the same manner. He becomes very upset if someone suggests that they play cards in a different way. Kyle most likely is in Piaget's ___________ stage of morality development

Measures of variability describe the

A. spread of scores in a distribution B. central tendency of a distribution of scores C. reliability of an assessment instrument D. validity of an assessment instrument

________ is the quality of a sound that makes one musical instrument sound different from another, even when they are playing the same note

a. Pitch b. Volume c. Meter d. Timbre