Although most of us like to believe our thoughts and
attitudes are impervious to the unforeseen or unwanted influences of others,
our thoughts are being bombarded by messages from others every day. How many of
us didn’t realize that we “liked” something until it popped up on one of the (hyper-individualized)
page suggestions on our Facebooks? An embarrassing number of us, most likely. Social
media is not our only source of information, however. Much of the information
we use to form our attitudes derives from our interpersonal communications.
Once upon a time, in a far away land called high school,
there lived a bunch of teenagers who liked to gossip. One day, I overheard a
bunch of girls talking about a specific boy from our school who they kept
calling “Ben Baker the Baby-Maker*.” I finally couldn’t stand the curiosity
anymore and had to ask them why they kept calling him that. One of the girls
jumped at the chance to spread the tale. According to her, everyone knew that Ben had had sex with a girl in one of the school
stairwells during class and got her pregnant. The girls couldn’t agree about
whether the couple had been caught in the act by the principal, a cop, or not
at all, however. My immediate reaction was that these were just silly girls and
that the story was far too ridiculous to be true. I quickly put the story out
of my mind.
About a year later, I met the “Baby-Maker” through a mutual
friend of ours. He was by far one of the sweetest, most good-natured guys I had
met at that (awful) school. My immediate thought was that such a nice guy
didn’t deserve all the hardships associated with being a teenage parent. I had
completely forgotten where I had originally heard the story and only remembered
poor Ben as the “Baby-Maker.” It wasn’t until months later that I learned from
Ben himself that the entire rumor had just been a prank one of his basketball
buddies had played on him.
When I forgot about the gossip girls I originally learned
the rumor from and instead focused on the story itself, I exhibited what is
known in social psychology as the sleeper
effect. According to the sleeper effect, a non-credible source becomes more
persuasive over time (Hovland & Weiss, 1951). Despite being unconvinced
when I first heard the “Baby-Maker” rumor, after enough time elapsed, my little
group of gossip girls seemed much more believable. What is most interesting
about the sleeper effect is that when it was first discovered the effect seemed
entirely counterintuitive. Credible sources tend to become less persuasive over
time therefore common sense would dictate that non-credible sources would
become less persuasive as well. To explain this phenomenon, the Hovland research
group developed the discounting cue
hypothesis. According to this hypothesis, when people first learn
information from a non-credible source they tend to discount it, but over time
the information becomes separated from who said it in our minds (Kelman &
Hovland, 1953). Similarly, as time passed I forgot where I learned the rumor
originally and could only remember the information I learned from the rumor
itself.
*name altered to protect individual’s identity
(n = 524)
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References
Hovland, C. I., & Weiss, W. (1951). The influence of
source credibility on
communication effectiveness. Public Opinion Quarterly, 15, 635–650.
Kelman, H. C., & Hovland, C. I. (1953). “Reinstatement”
of the communicator in
delayed measurement of opinion
change. Journal of Abnormal and Social
Psychology, 48, 327–335.
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