A personification is when a non-human item is given the features or presence of a human being. In this case the opposite happens to Jimmy. This is considered an extended metaphor, or an analogy, rather than personification.
Therefore, no, there is no personification in the poem Jimmy Jet and his TV Set.
yes the fourth and fifth stanzas are personification ;
Yes, the poem "Jimmy Jet and His TV Set" contains personification by ascribing human qualities to the television. This technique enhances the theme of the poem regarding television's effect on Jimmy. Silverstein uses this device to create a relatable connection between the object and the character.
;