Evie Summers
The sleeper effect is a psychological phenomenon in the field of persuasion, where a message that is initially dismissed due to its negative connotation or lack of credibility becomes more persuasive over time. The effect was first identified among US Army soldiers exposed to army propaganda during World War II. It has been a topic of interest in social psychology, marketing, communications, and other fields. However, despite its notoriety, the sleeper effect has been challenging to replicate in subsequent studies, leading some researchers to question its existence. Understanding the sleeper effect is crucial for developing effective persuasion models and teaching methods.
| Characteristics | Values |
|---|---|
| Definition | A psychological phenomenon relating to persuasion |
| Type of message | A persuasive message with a negative connotation or lack of credibility |
| Type of response | A delayed positive response that is maintained over time |
| Response over time | A delayed increase in the impact of a message |
| First observed | Among US Army soldiers exposed to army propaganda |
| First identified | By Carl Hovland and his research associates |
| Replicated by | Charles Gruder, Thomas Cook, Anthony Pratkanis, Greenwald, and their colleagues |
| Requirements for replication | (a) message recipients pay attention to message content, (b) the discounting cue comes after the message, and (c) message recipients rate the credibility of the message source immediately |
| Difficulty | Researchers have found it difficult, if not impossible, to replicate the original findings |
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What You'll Learn
- The sleeper effect is a psychological phenomenon
- It relates to the delayed impact of a persuasive message
- The effect is the opposite of typical findings that induced opinion change dissipates over time
- The effect was first studied in US soldiers exposed to propaganda
- The sleeper effect is difficult to replicate
The sleeper effect is a psychological phenomenon
The sleeper effect is characterized by a delayed positive response to a message that is maintained over time. Typically, a persuasive message is accompanied by a discounting cue, such as a low-credibility source or a counterargument, which arouses suspicion about the validity of the message. Initially, the recipient recalls both the message and the discounting cue, resulting in little to no opinion change. However, as the association between the message and the discounting cue weakens over time, the recipient may recall the message without associating it with the source, leading to a delayed increase in persuasion.
The sleeper effect has been a topic of interest in social psychology, marketing, communications, public opinion, and sociology. However, despite its widespread discussion, some researchers have questioned its existence due to the challenges in replicating the original findings. For example, some studies that paired persuasive messages with discounting cues failed to observe the sleeper effect, leading to doubts about its validity.
Despite these conflicting findings, the sleeper effect has important implications for understanding persuasion and attitude change. It suggests that the impact of a message may not always be immediate and that the source of a message may become dissociated from the message over time, influencing how individuals form and change their attitudes.
To illustrate the sleeper effect, consider the following example: a person hears an interesting statement from a source they consider unreliable. Initially, they dismiss the idea due to the low credibility of the source. However, over time, they encounter similar statements from different sources or in different contexts. As the association with the original source weakens, they may start to believe the statement, becoming more favourable towards the idea conveyed in the message. This delayed attitude change is a key characteristic of the sleeper effect.
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It relates to the delayed impact of a persuasive message
The sleeper effect is a psychological phenomenon that relates to the delayed impact of a persuasive message. It was first identified by Carl Hovland and his team, who studied its effect on US Army soldiers exposed to propaganda during World War II. Specifically, Hovland noticed that the film "The Battle of Britain" increased soldiers' confidence in their British allies when assessed nine weeks after viewing, compared to an earlier assessment. This effect was also discussed in social psychology textbooks of the 1950s and 1960s and gained notoriety, with researchers attempting to replicate the findings.
The sleeper effect occurs when a persuasive message is presented with a "discounting cue", such as a low-credible source or a counterargument. Initially, the recipient recalls both the message and the discounting cue, resulting in little to no opinion change. However, over time, the association between the message and the discounting cue weakens, and the recipient may recall the message without associating it with the source. This dissociation between the message and the cue can lead to a delayed increase in persuasion, provided that the message arguments remain memorable.
The sleeper effect is characterized by a delayed attitude change. For example, one may hear a piece of information from a low-credible source and initially dismiss it. However, over time, they may start to believe it as the connection between the message and the source weakens in their memory. This can be a dangerous phenomenon as it may lead to the belief in misinformation.
Researchers have conducted experiments to identify the conditions under which the sleeper effect occurs. One study found that the sleeper effect was more likely to occur when the discounting cue followed the message rather than preceding it. Additionally, the sleeper effect was observed when message recipients paid close attention to the content by noting important arguments and when they rated the credibility of the message source immediately after receiving the message and cue.
The sleeper effect has implications for various fields, including marketing, communications, public opinion, and sociology. It highlights the importance of critical thinking and verifying the credibility of information sources to prevent the spread of misinformation. Understanding the sleeper effect can also help in developing effective persuasive messages and teaching methods that can influence attitudes and behaviors over time.
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The effect is the opposite of typical findings that induced opinion change dissipates over time
The sleeper effect is a psychological phenomenon in persuasion, first identified by Carl Hovland and his team. It refers to a delayed increase in the impact of a persuasive message. Typically, induced opinion changes dissipate over time, but the sleeper effect is the opposite of this.
When a message is accompanied by a discounting cue, such as a low-credibility source or a counterargument, it can arouse suspicion of the validity of the message. This can suppress any attitude change that might have occurred by exposure to the message alone. However, over time, the association between the discounting cue and the message weakens, and the recipient may recall the message without thinking about the cue. This can result in a delayed increase in persuasion, as long as the message arguments are still memorable.
The sleeper effect was first observed among US Army soldiers exposed to army propaganda during World War II. It was hypothesized that over time, the soldiers forgot that the message was propaganda, and their attitudes towards the message became more positive. For example, the film "The Battle of Britain" increased US Army recruits' confidence in their British allies when assessed 9 weeks after it was shown.
The sleeper effect has been studied extensively, particularly in the 1950s and 1960s, but it has been difficult to replicate the original findings. Some researchers have questioned its existence, while others have proposed specific conditions under which the sleeper effect occurs. For example, Pratkanis found that the sleeper effect occurred mostly when the discounting cue followed the message, and when message recipients paid attention to the message content and rated the credibility of the source. These findings led to a modified forgetting hypothesis, which suggests that the sleeper effect occurs because the message and the cues decay at different rates.
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The effect was first studied in US soldiers exposed to propaganda
The sleeper effect is a psychological phenomenon that relates to persuasion. It is a delayed increase in the effect of a message that is accompanied by a discounting cue, typically being some negative connotation or lack of credibility in the message. The effect was first studied in US soldiers exposed to propaganda during World War II.
In the 1940s, the US Department of War wanted to know if their propaganda films were effective. They carried out a series of studies to determine how the films affected soldiers' attitudes. The researchers expected that the films would easily influence the soldiers. However, the results showed that while the films were informative and strengthened some existing attitudes, they did not make a significant impact on the soldiers' overall optimism about the war. This led to the notion that the soldiers may have been critical of the films due to their propagandist nature, and thus, their defences were up.
Following this, Yale University's Carl Hovland and his colleagues, Arthur Lumsdaine and Fred Sheffield, conducted a study to examine the long-term effects of these propagandist messages. They showed soldiers a film about The Battle of Britain and measured their opinions five days and nine weeks after the viewing. They found that the soldiers' opinions of the British had softened after nine weeks, compared to five days, post-viewing. This difference in delayed persuasion was termed the sleeper effect.
Hovland and his team attributed this effect to what they called the dissociation discounting cue hypothesis. They proposed that a persuasive message presented with a discounting cue, such as a low-credible source or a counterargument, initially results in little to no opinion change. However, as the association between the message and the discounting cue weakens over time, people may recall the message without associating it with the source, leading to a delayed increase in persuasion.
Despite the initial findings, the sleeper effect has been notoriously difficult to replicate in subsequent studies, leading some researchers to question its existence. However, it has been a widely studied phenomenon in persuasion research, and its counter-intuitive nature has puzzled social psychologists for decades.
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The sleeper effect is difficult to replicate
The sleeper effect is a fascinating phenomenon in social psychology where a persuasive message is more effective over time when the source of the message is discredited. While it is an interesting concept, replicating the sleeper effect is challenging for several reasons.
Firstly, the sleeper effect is highly context-dependent. It was first observed in specific laboratory settings and may not always translate to real-world situations. The effect is sensitive to variations in experimental design, such as the nature of the persuasive message, the credibility of the source, and the timing of discrediting the source. Small changes in these variables can lead to differing outcomes, making it difficult to predict when the sleeper effect will occur.
Secondly, the sleeper effect relies on a delicate balance of factors. For the effect to work, the persuasive message must be initially accepted and internalized by the recipient. Only then, when the source is discredited, does the message's influence become dormant, or 'sleep', only to re-emerge later. Disrupting any part of this sequence can lead to the sleeper effect failing to materialize. For example, if the message is not persuasive enough, or if the source is discredited before the message is accepted, the sleeper effect is unlikely to occur.
Additionally, the sleeper effect is influenced by individual differences. People vary in their susceptibility to persuasive messages and their likelihood of experiencing the sleeper effect. Factors such as critical thinking skills, prior knowledge, and cultural background can all play a role. These individual differences can make it challenging to consistently replicate the sleeper effect across diverse populations.
Furthermore, ethical considerations come into play when attempting to replicate the sleeper effect. Experiments designed to induce the sleeper effect often involve manipulating participants, which raises ethical concerns. For example, deliberately discrediting a source to study the sleeper effect may be seen as deceptive and could cause harm if participants are exposed to misleading or false information.
Lastly, the sleeper effect is a subtle and complex phenomenon that can be challenging to measure and quantify. Typically, it is observed through changes in attitudes or behaviors over extended periods. Assessing these changes accurately and attributing them solely to the sleeper effect can be difficult, as numerous other factors may influence an individual's attitudes and behaviors over time.
In conclusion, while the sleeper effect is an intriguing concept, it presents significant challenges for replication. Its context-dependent nature, sensitivity to experimental variations, reliance on specific conditions, influence of individual differences, ethical considerations, and measurement complexities all contribute to the difficulty in consistently replicating the sleeper effect. Further research is needed to better understand when and why the sleeper effect occurs and how it can be applied in a practical setting.
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Frequently asked questions
The sleeper effect is a psychological phenomenon where a message that is originally discounted due to a "discounting cue" becomes more persuasive over time.
A "discounting cue" is a disclaimer, a low-credibility source, or a counterargument that would arouse suspicion of the validity of the message.
During World War II, the U.S. Army showed recruits a series of documentary films explaining the reasons behind the U.S. involvement in the war. Initially, the soldiers dismissed the information in the films as propaganda. However, after a substantial period of time, the researchers found that the soldiers showed an increase in the acceptability of the information.
The sleeper effect has implications for models of persuasion, including teaching methods, and conceptualizations such as the heuristic-systematic model and the elaboration likelihood model. It also highlights the importance of critical thinking and media literacy to prevent the spread of misinformation.
To protect ourselves from the sleeper effect, we can ask ourselves questions such as "What's that based on?" or "Is the source credible?". By evaluating the credibility of the information and the source, we can make more informed judgments and reduce the influence of the sleeper effect.
