Which clues? They aren’t listed.
Answer:
Positive affect is it keeps them entertained
Negative affect they end up spending to much time on a screen
Get an answer for 'How does the narrator's attitude change towards the raven as "The The Raven makes the speaker remember his lost Lenore, whom he had hoped to Man doth not yield him to theangels, nor unto death utterly, save only.
I would say that the best answer would be the last one.