A. legend B. play C. screen D. game
An analysis of 47 studies (68) intervention programs to curb (69) time among children younger than 12 found that 29 showed programs were (70) at getting kids (71) the television, computer and video games.
The interventions (72) programs based in schools, at home,in communities and in clinics and WIC(Women, Infants, and Children) centers. Some involved education, exercise, monitoring or incentives.
What worked best
Interventions that (73) definite goals for less use of screen-based media or TV watching, (74) that used monitoring devices, that had contingent (可能的) (75) programs, offered clinic- based (76) , had a lot of parental (77) , and/or included overweight study participants.
Studies that used electronic monitoring devices were able to (78) TV viewing from 1.5 to 3 hours a day. There were some problems, (79) ; in two studies half of the families that had the (80) didn’t use them or, if they did, didn’t want to use them again. The devices also (81) to be expensive.
The authors recommended that future research look (82) whether reducing screen time (83) obesity, whether interventions are effective (84) the long term, and whether taking TVs out of kids’ bedrooms (85) a difference. More children representing racial and (86) minorities should be included as well.