The bad news is, the majority of experts think that a tv/video-driven culture has bad effects on kids – and may prevent kids from being smart they cite the following: tv provides no educational benefits for a child under age 2.
The essay will begin with an introduction of theories about child development and childhood learning, followed by a review on educational television targeted young children, and will then talk about to what extent does television viewing affect children cognitively, and thus negatively in their educational achievements. Enhance educational tv’s inherent audio/visual value when teachers use educational television programs during class, the relationship between them and their students changes usually the status quo of the classroom is the teacher imparts knowledge, while students absorb the information.
However, these compensatory effects were not supported by the evaluation of another educational television program targeting literacy developmentof 5- to6-year-oldchildren (linebarger, kosanic,greenwood, & doku,2004.
Of course, there are a few programs on tv that are educational and thought-provoking (in other words, that have a good, positive impact on our intelligence), but let’s admit it: the majority of television programs are just trash.
(while educational tv can be a good option for older children those under the age of two get no benefit from it and suffer the same negative effects as those who watch commercial television)  among older children, excessive screen time has been shown to lead to behavioural difficulties,  reduced achievement at school, attention problems, sedentary behaviours and an increased risk of obesity.
Quick to jump into the breach anticipated by the brain-eating monster of tv, a new movement of “educational tv” sprang up national educational television was born on may 16, 1954 and was a non-profit effort to bring educational programs to the masses.
Of particular concern are the results of one study that show the negative effects of television viewing are long term, according to the university of michigan’s medical website “the study found that watching tv as a child affected education achievement at age 26,” the site says.
Public-television officials are also devising initiatives to train early-childhood professionals to use educational television and other digital media to promote learning goals detrimental effects.