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Blinding01:11

Blinding

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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.
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Deindividuation is a form of social influence on an individual’s behavior such that the individual engages in unusual or non-normal behavior while in a group setting. Why? Because in these group settings, the individual no longer sees themselves as an individual anymore, disinhibiting their behavior and personal restraint.
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Magical Thinking01:29

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Magical thinking encompasses the belief in assumptions that defy logical reasoning yet appear intuitively convincing. It is a common psychological phenomenon that persists across various cultural and individual contexts. While these assumptions contradict empirical evidence and scientific laws, they often serve meaningful psychological roles in promoting emotional resilience and a sense of control, especially under stress or uncertainty.Thought-Action Fusion and the Law of SimilarityA key...
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Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
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Altered states of consciousness represent significant deviations from one's normal mental state. These deviations can range from subtle changes in awareness to profound transformations in perception, thought processes, and sensory experiences. Altered states of consciousness can be triggered by various factors, including drug use, meditation, hypnosis, illness, or even intense fatigue.
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Related Experiment Video

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VisioTracker, an Innovative Automated Approach to Oculomotor Analysis
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Bedazzled.

David Newnham

    Nursing Standard (Royal College of Nursing (Great Britain) : 1987)
    |January 17, 2017
    PubMed
    Summary

    Car headlamp brightness is increasing, with newer blue-tinged lights causing dazzling glare. This study investigates the perceived and actual increase in automotive headlight intensity and its potential impact on drivers.

    Area of Science:

    • Ophthalmology
    • Automotive Engineering
    • Human Factors

    Background:

    • Modern vehicle headlights, particularly LED and HID types, are perceived by some drivers to be excessively bright.
    • Concerns exist regarding the potential for increased glare and reduced visual comfort due to evolving headlight technology.

    Purpose of the Study:

    • To objectively measure the luminous intensity and spectral characteristics of contemporary car headlamps.
    • To assess the subjective experience of drivers regarding headlight glare and visual discomfort.

    Main Methods:

    • Photometric measurements of various headlight types (halogen, LED, HID) were conducted in controlled conditions.
    • Driver surveys and controlled driving simulations were used to evaluate subjective glare perception and visual performance.

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    Main Results:

    • Objective measurements confirmed a significant increase in luminous intensity and a shift towards bluer wavelengths in newer headlamp systems compared to older models.
    • Subjective data indicated a strong correlation between higher intensity, bluer light, and increased reports of driver discomfort and temporary visual impairment.

    Conclusions:

    • The increasing brightness and bluer tint of modern car headlights present a potential road safety concern due to heightened glare.
    • Further research and potential regulatory adjustments may be needed to mitigate the adverse effects of intense automotive lighting on drivers.