In "The Legend of Sleepy Hollow", how does Ichabod Crane demonstrate that he is gullible ?

Ichabod Crane
showed that he was gullible because he listened to all the tales told by the townspeople and
hung on their every word.  He would visit "with the old Dutch wives, as they sat spinning
by the fire" and listen to their spooky, suspenseful stories.  They told him all about
haunted bridges, brooks, houses, and fields....