In an experiment, any variable that varies systematically with the treatment conditions and might influence the participants' scores is called a(n) ____ variable

The existence of children with autism who excel in numerical and spatial skills provides support for __________'s theory of intelligence

A) Sternberg B) Cattell C) Carroll D) Gardner

A condition in which sleep is continually disrupted by a cessation of breathing is __________

Fill in the blank with the appropriate word.