|accessdate=2007-07-31}}</ref> Many analysts of parapsychology hold that the entire body of evidence to date is of poor quality and not adequately controlled. In their view, the entire field of parapsychology has produced no conclusive results whatsoever. They cite instances of fraud, flawed studies, a [[Magical thinking|psychological need for mysticism]], and [[cognitive bias]] as ways to explain parapsychological results.<ref>{{cite book |last=Myers |first=David G |title=Psychology |edition=8th |date=2006 |publisher=Worth Publishers, Inc. |isbn=0716764288}}</ref> Skeptics have also contended that people's desire to believe in paranormal phenomena is often stronger than the evidence that it does not exist.<ref>{{cite web |last=Myers |first=David G |authorlink= |coauthors=Blackmore, Susan |title=Putting ESP to the Experimental Test |work=Hope College |url=http://www.davidmyers.org/Brix?pageID=61&article_part=4 |accessdate=2007-07-31}}</ref> | |accessdate=2007-07-31}}</ref> Many analysts of parapsychology hold that the entire body of evidence to date is of poor quality and not adequately controlled. In their view, the entire field of parapsychology has produced no conclusive results whatsoever. They cite instances of fraud, flawed studies, a [[Magical thinking|psychological need for mysticism]], and [[cognitive bias]] as ways to explain parapsychological results.<ref>{{cite book |last=Myers |first=David G |title=Psychology |edition=8th |date=2006 |publisher=Worth Publishers, Inc. |isbn=0716764288}}</ref> Skeptics have also contended that people's desire to believe in paranormal phenomena is often stronger than the evidence that it does not exist.<ref>{{cite web |last=Myers |first=David G |authorlink= |coauthors=Blackmore, Susan |title=Putting ESP to the Experimental Test |work=Hope College |url=http://www.davidmyers.org/Brix?pageID=61&article_part=4 |accessdate=2007-07-31}}</ref> |