In a Study on the Effects of Smoking Deprivation on Memory

Essay

In a study on the effects of smoking deprivation on memory recall, participants, who all smoked, were randomly assigned to one of four groups: not deprived of smoking, deprived for 4 hours, deprived for 8 hours, deprived for 12 hours. Subjects were then tested for their recall of nonsense syllables learned one hour before. Diagram the design and describe it in words.