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Unusual Results01:16

Unusual Results

3.1K
Unusual results are those that have a very low chance of occurring. Unusual results can be identified using probabilities and the range rule of thumb. In problems involving probability, unusual results can be observed in 2 instances – an unusually high number of successes or an unusually low number of successes.
According to the range rule of thumb, any value above or below two standard deviations, 2σ  from the mean, μ  is considered unusual.
Maximum unusual value =...
3.1K
Blinding01:11

Blinding

2.4K
Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
2.4K
Shock Waves01:16

Shock Waves

2.0K
While deriving the Doppler formula for the observed frequency of a sound wave, it is assumed that the speed of sound in the medium is greater than the source's speed through it. When this condition is breached, a shock wave occurs.
When the source's speed approaches the speed of sound, constructive interference between successive wavefronts emitted by the source occurs immediately behind it. Initially, scientists believed that this constructive interference would result in such high...
2.0K
Amnesia01:13

Amnesia

102
Amnesia is a condition marked by long-term memory loss, which impairs the ability to recall past events or create new memories.
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...
102
Social Proof00:52

Social Proof

27.5K
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.
27.5K
The Small x Assumption02:20

The Small x Assumption

46.0K
If a reaction has a small equilibrium constant, the equilibrium position favors the reactants. In such reactions, a negligible change in concentration may occur if the initial concentrations of reactants are high and the Kc value is small. In such circumstances, the equilibrium concentration is approximately equal to its initial concentration.  This estimation can be used to simplify the equilibrium calculations by assuming that some equilibrium concentrations are equal to the initial...
46.0K

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Video Experimental Relacionado

Updated: Jun 9, 2025

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
06:53

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Published on: March 1, 2017

13.2K

No vas a creer esto.

Kai Kupferschmidt

    Science (New York, N.Y.)
    |October 31, 2024
    PubMed
    Resumen

    Los investigadores están explorando la "teoría de la inoculación" para combatir la información errónea. Al exponer a las personas a pequeñas dosis de información falsa, su objetivo es desarrollar resiliencia contra futuras manipulaciones.

    Área de la Ciencia:

    • Psicología
    • Estudios de comunicación
    • Ciencias de la información

    Sus antecedentes:

    • La desinformación representa una amenaza importante para las personas y la sociedad.
    • Los métodos existentes para combatir la desinformación tienen una eficacia limitada.
    • Comprender las vulnerabilidades psicológicas a la desinformación es crucial.

    Objetivo del estudio:

    • Investigar la eficacia de la teoría de la inoculación en la construcción de la resistencia a la información errónea.
    • Determinar los métodos óptimos para suministrar "dosis" de contraargumentos.
    • Para evaluar el impacto a largo plazo de la inoculación en la creencia en falsas narrativas.

    Principales métodos:

    • Los participantes estuvieron expuestos a mensajes previos o a formas débiles de desinformación.

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  • Las actitudes hacia temas específicos de desinformación se midieron antes y después de la exposición.
  • Los grupos de control no recibieron vacunación ni diferentes tipos de intervenciones.

    • Principales resultados:

    • Los individuos inoculados mostraron una resistencia significativamente mayor a la desinformación en comparación con los grupos de control.
    • Los mensajes de pre-bunking fueron más efectivos que las refutaciones directas en algunos casos.
    • El efecto de la inoculación persistió durante un período de seguimiento definido.

    Conclusiones:

    • La teoría de la inoculación ofrece una estrategia prometedora para mitigar el impacto de la desinformación.
    • El 'pre-bunking' proactivo puede mejorar las defensas cognitivas contra la manipulación.
    • Se necesitan más investigaciones para refinar las estrategias de inoculación para diversos contextos.