research studies
... that by 2001, there were over 1,000 research studies regarding the children's television show Sesame Street's efficacy, impact, and effect on American culture?
... that by 2001, there were over 1,000 <b id="mwGlA"><a href="./Sesame_Street_research" id="mwGlE" rel="mw:WikiLink" title="Sesame Street research">research studies</a></b> regarding the children's television show <i id="mwGlI"><a href="./Sesame_Street" id="mwGlM" rel="mw:WikiLink" title="Sesame Street">Sesame Street</a></i><span about="#mwt93" class="nowrap" data-mw="{&quot;parts&quot;:[{&quot;template&quot;:{&quot;target&quot;:{&quot;wt&quot;:&quot;'s&quot;,&quot;href&quot;:&quot;./Template:'s&quot;},&quot;params&quot;:{},&quot;i&quot;:0}}]}" id="mwGlQ" style="padding-left:0.1em;" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> efficacy, impact, and effect on American culture?