Parallel-process scanning permits individuals exhibiting this style to garner extensive "evidence" in support of their fixed ideas as well as to be alert to anticipated dangers that might be lurking anywhere-indeed, suspicious people are hypersensitive and hyperalert. But by attending selectively to what is considered pertinent and consistent, all other aspects of the perceptual field are ignored or inhibited, thereby assuring that the evidence fits (Wachtel, 1967).