TABLE 2

Results of Included Trials

Outcome DomainStudyResults
LearningDiaz-Guerrero and Holtzman18 (1974)Positive effect on specific knowledge, general knowledge, and cognition
Gorn et al24 (1976)Positive effect on preference to play with nonwhites
Prosocial behaviorFriedrich-Cofer et al25 (1979)No significant effect
Huston-Stein et al22 (1981)No significant effect
Tower et al26 (1979)No significant effect
Friedrich and Huston-Stein27 (1973)No significant effect
Imaginative playFriedrich-Cofer et al25 (1979)No significant effect
Huston-Stein et al22 (1981)Positive effect from viewing low action/low violence programs
Negative effect from viewing high action/high violence programs
Singer and Singer28 (1976)Positive effect from viewing Mister Rogers
Tower et al26 (1979)Positive effect for children with low baseline imagination
AggressionSteuer et al23 (1971)Negative effect from viewing aggressive programs
Potts et al21 (1986)No significant effect
Geist and Gibson20 (2000)No significant effect
Huston-Stein et al22 (1981)No significant effect
Friedrich-Cofer et al25 (1979)No significant effect
Friedrich and Huston-Stein27 (1973)No significant effect
Self-regulationFriedrich-Cofer et al25 (1979)No significant effect
Tower et al26 (1979)No significant effect
Friedrich and Huston-Stein27 (1973)Negative effect from viewing cartoons
Positive effect from viewing Mister Rogers
Geist and Gibson20 (2000)Negative effect from viewing Power Rangers
No significant effect from viewing Mister Rogers
Anderson et al29 (1977)No significant effect