Lie Detection Psychology Social Cognition Deception Essay

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Chapter 2: Social Cognition – The Availability Heuristic


The availability heuristic is a mental shortcut where people judge the frequency or probability of an event based on how easily they can recall similar instances (Baron et al., 2016). This can lead to misjudgments, such as fearing plane crashes more than car accidents, even though car accidents are statistically more common.
One critique of the availability heuristic is that it can cause cognitive biases that lead to irrational fears and bad decision-making. For example, after watching a news report on a violent crime, one might overestimate the likelihood of crime in his area. Shocking and emotional stories like those on the news can affect people’s perception more than actual crime statistics. This concept made me reflect on the role of media in shaping the way we think.
This heuristic has real-world implications, particularly in health and risk perception. During the COVID-19 pandemic, many people overestimated the risks of contracting the virus in public places due to constant media coverage, while underestimating other health risks such as heart disease. I think that understanding the availability heuristic can help us become more rational decision-makers. Would I like to learn more about this? Absolutely. I’d like to explore how this heuristic affects things like financial decision-making, such as how people assess the risk of stock market investments or health decisions.

Chapter 3: Social Perception – Nonverbal Communication and Deception


Nonverbal…

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Mann, S., Vrij, A., & Bull, R. (2004). Detecting true lies: police officers\' ability to detect
suspects\' lies. Journal of applied psychology, 89(1), 137.

Part 2: Portfolio Entries


Chapter 2: Representativeness Heuristic


Definition: The representativeness heuristic is a mental shortcut where people judge the probability of an event based on how much it resembles a prototype rather than using actual statistical probabilities.

Illustration:


How the Representativeness Heuristic Affects Decisions and Bias


Explanation: This cartoon illustrates the representativeness heuristic in action. The jury is likely to assume the man is guilty because he matches the common stereotype of a criminal—male, tattoos, orange prisoner jumpsuit. This is a common bias that leads people to make incorrect assumptions in areas such as guilt or innocence or role….....

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