History shows that expectations can dramatically change perceptions about a candidate’s strength.

ALT: a man in a plaid shirt and jacket is standing in front of a wall and saying `` good for you '' .

ALT: a man in a suit and tie is sitting at a desk saying spoiler alert

Alt: Sicilian pizza

ALT: a group of people are standing in a line playing musical instruments .

ALT: an apple with the words eve was tempted on it

ALT: two muppets are talking to each other and one of them says " you gotta admit the opening is catchy so is smallpox "

ALT: a woman is sitting at a table with a glass of wine and a spoon in her hand .

ALT: a group of women are sitting around a table in a room

ALT: elmo from sesame street is standing in front of a fire with his arms outstretched and the words `` burn '' .

ALT: a woman in a black dress says " have you no compassion for my poor nerves ? "

ALT: the word anxiety is displayed in red on a black background

ALT: a hockey game is being played in front of a banque scotia banner

ALT: a black and white photo of a parade of women walking down a city street .

ALT: a boy in a suit says it 's very shakespearean in front of a fireplace

ALT: a man is wrapped in duct tape and standing on a sidewalk .