<prompt> Translate the following text to EnglishKwa kutumia mbinu hiyohiyo, DeLong na Lang waligundua kwamba baadhi ya nadharia 78 zilizothibitishwa zinaweza kuwa za kweli, lakini labda si zaidi ya theluthi moja.  <response>: Using a more sophisticated version of the same techniques, De Long and Lang concluded that some of the 78 confirmed hypotheses might be true, but probably not more than about a third of them. 