Marucha et al.'s (1998) study of stress and wound healing among dental students and Cohen et al.'s (1993, 1998) studies of stress and colds provide evidence for the _____ model of stress and illness.

Jadzia is a young child with Williams syndrome. Recent evidence indicates that Jadzia will

A) have less complex sentence production than a child with Down syndrome. B) depend on rule learning to acquire language skills. C) probably learn language by capitalizing on her social strengths. D) have a limited vocabulary and rarely speak in full sentences.

Was the column independent variable manipulated or assigned?

What will be an ideal response?