Trying the sample EffectCheck script on http://effectcheck.com/about http://effectcheck.com/about : the sidebar says it's counting occurrences of phrases which

Trying the sample EffectCheck script on http://effectcheck.com/about http://effectcheck.com/about : the sidebar says it's counting occurrences of phrases which score on each dimension. How is the association of word/topic determined? The measurement is valuable if and only if "Anxiety" defined as the count of ("different", "trigger", "taken out", "over", "carefully"...) corresponds to anxiety on some other psychologically relevant scale.