根据菲德勒的领导权变理论，下列不属于权变领导风格有效性的因素是 （

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29331' and id < 2387896 and id<>'2387896' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29331' and id > 2387896 and id<>'2387896' order by id asc limit 5