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Related Concept Videos

Confirmation Biases01:31

Confirmation Biases

5.6K
The confirmation bias is the tendency to focus on information that confirms our existing beliefs and ignore information that is inconsistent with our expectations. For example, if you think that your professor is not very nice, you notice all of the instances of rude behavior exhibited by the professor while ignoring the countless pleasant interactions he is involved in on a daily basis. Have you ever fallen prey to the confirmation bias, either as the source or target of such bias?
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Social Proof00:52

Social Proof

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Social proof is a form of persuasion based on comparison and conformity. People compare their behavior and actions to what others are doing and will change to conform to do what their peers do.
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Eyewitness Memory01:22

Eyewitness Memory

148
Eyewitness memory refers to the recollection of events by someone who has directly witnessed them, often serving as critical evidence in legal settings. This type of memory is commonly used in criminal cases where a witness describes details like a suspect's appearance, clothing, or behavior during a crime. However, despite its perceived reliability, eyewitness memory is prone to significant errors.
One such error is memory distortion, which occurs because human memory does not function...
148
Testing a Claim about Standard Deviation01:19

Testing a Claim about Standard Deviation

2.5K
A complete procedure to test a claim about population standard deviation or population variance is explained here.
The hypothesis testing for the claim of population standard deviation (or variance) requires the data and samples to be random and unbiased. The population distribution also must be normal. There is no specific requirement on the sample size as the estimation is based on the chi-square distribution.
As a first step, the hypothesis (null and alternative) concerning the claim about...
2.5K
Reliability and Validity01:29

Reliability and Validity

12.9K
Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
12.9K
Confidence Coefficient01:24

Confidence Coefficient

7.8K
The confidence coefficient is also known as the confidence level or degree of confidence. It is the percent expression for the probability, 1-α, that the confidence interval contains the true population parameter assuming that the confidence interval is obtained after sufficient unbiased sampling; for example, if the CL = 90%, then in 90 out of 100 samples the interval estimate will enclose the true population parameter. Here α is the area under the curve, distributed equally under...
7.8K

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Related Experiment Video

Updated: Aug 23, 2025

An Experimental Analysis of Children's Ability to Provide a False Report about a Crime
07:36

An Experimental Analysis of Children's Ability to Provide a False Report about a Crime

Published on: May 3, 2016

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Credibility at stake in Sweden.

Henrik Österblom1, Robert Blasiak2

  • 1Henrik Österblom is a professor of environmental science at the Stockholm Resilience Centre, Stockholm University, Stockholm, Sweden, and program director at The Beijer Institute of Ecological Economics, Royal Swedish Academy of Sciences, Stockholm, Sweden.

Science (New York, N.Y.)
|October 27, 2022
PubMed
Summary

Sweden

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Area of Science:

  • Environmental policy
  • Climate action
  • Governmental reform

Background:

  • Sweden's historical leadership in environmental policy and climate action.
  • The dissolution of the Ministry of the Environment by the new right-wing government on October 18, 2022.
  • Potential implications for national and global sustainability efforts.

Discussion:

  • Analysis of the impact of eliminating a dedicated environmental ministry.
  • Assessing the potential rollback of climate and environmental regulations.
  • Examining the political shift away from prioritizing environmental governance.

Key Insights:

  • The elimination of Sweden's Ministry of the Environment signals a potential shift in national environmental priorities.
  • This governmental change raises concerns about the future of Sweden's climate commitments.
  • The long-term consequences for global sustainability initiatives are yet to be determined.

Outlook:

  • Monitoring the new government's environmental agenda and policy implementation.
  • Evaluating the resilience of Sweden's environmental progress against political changes.
  • Assessing the broader international implications for climate action and sustainable development.