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Related Concept Videos

Eyewitness Memory01:22

Eyewitness Memory

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 like a...
Hypothesis: Accept or Fail to Reject?01:17

Hypothesis: Accept or Fail to Reject?

The outcome of any hypothesis testing leads to rejecting or not rejecting the null hypothesis. This decision is taken based on the analysis of the data, an appropriate test statistic, an appropriate confidence level, the critical values, and P-values. However, when the evidence suggests that the null hypothesis cannot be rejected, is it right to say, 'Accept' the null hypothesis?
There are two ways to indicate that the null hypothesis is not rejected. 'Accept' the null hypothesis and 'fail to...
Confirmation Biases01:31

Confirmation Biases

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?
Null and Alternative Hypotheses01:16

Null and Alternative Hypotheses

The actual hypothesis testing begins by considering two hypotheses. They are termed  the null hypothesis and the alternative hypothesis. These hypotheses contain opposing viewpoints.
The null hypothesis, denoted by H0 is a statement of no difference between the variables—they are not related. This can often be considered the status quo. As  a result if you cannot accept the null, it requires some action.
The alternative hypothesis, denoted by H1 or Ha, is a claim about the population that is...
Naturalistic Observations02:30

Naturalistic Observations

If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
The Evidence for Evolution02:55

The Evidence for Evolution

Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.The collection of fossils within sedimentary rocks give a record of common ancestry and often depicts the history of evolution.

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Related Experiment Video

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An Experimental Analysis of Children's Ability to Provide a False Report about a Crime
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[What to do when there is no evidence].

L López Rodríguez1, I Garrido Díaz, J Seda Diestro

  • 1Investigación y Gestor del Conocimiento, HH UU Virgen del Rocío, Sevilla. luis.lopez.sspa@juntadeandalucia.es

Revista De Enfermeria (Barcelona, Spain)
|March 27, 2007
PubMed
Summary

This article discusses evidence-based practice for chronic wounds and bed sores. It explores the definition, availability, and application of scientific evidence in wound care.

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Area of Science:

  • Wound Care
  • Evidence-Based Medicine

Context:

  • VI National Symposium on Bed Sores and Chronic Wounds, Zaragoza, November 2005.
  • Discussion on the interpretation and utilization of scientific evidence in clinical practice.

Purpose:

  • To critically examine the concept of evidence in wound care.
  • To review the existing body of evidence for treating bed sores and chronic wounds.
  • To analyze how this evidence is applied in clinical settings.

Summary:

  • The article reflects on the nature of evidence, its current state, and its practical application in the field of chronic wound and bed sore management.
  • Key commentaries from the symposium are presented, focusing on the definition, existence, and use of evidence.

Impact:

  • Aims to enhance the understanding and application of evidence-based strategies in chronic wound care.
  • Promotes critical evaluation of scientific literature for improved patient outcomes in wound management.