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Related Concept Videos

Longitudinal Research02:20

Longitudinal Research

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Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Subliminal Perception01:15

Subliminal Perception

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Subliminal perception refers to the processing of sensory information that occurs below the level of conscious awareness. Researchers study subliminal perception by presenting a stimulus, such as a word or image, very quickly, typically around 50 milliseconds. This rapid presentation is often followed by another stimulus, such as a pattern of dots or lines, which blocks further mental processing of the initial stimulus. As a result, if participants cannot identify the initial stimulus better...
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Factors Affecting Perception01:25

Factors Affecting Perception

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Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
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Perspectives on Sensation and Perception11:32

Perspectives on Sensation and Perception

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Source: Laboratory of Jonathan Flombaum—Johns Hopkins University
The study of sensation—how signals are transduced from sensory organs, like the eyes—and perception—how the brain interprets these messages—has a rich history dating back to the 19th century, when great strides were made in understanding the properties of light and how they relate to the visual system. Importantly, such sensory and perceptual processes determine what we see, feel, taste, and hear in...
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Perception01:28

Perception

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Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
1.0K
Gestalt Principles of Perception01:21

Gestalt Principles of Perception

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Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
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Related Experiment Video

Updated: Jan 20, 2026

Longitudinal Research: Advantages and Limitations
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Longitudinal Analysis of Postlicensure Student Competency Perceptions.

Kathlynn Northrup-Snyder, Renee' Menkens, Sydnee Stoyles

    The Journal of Nursing Education
    |August 29, 2019
    PubMed
    Summary

    This study evaluated nursing students

    Area of Science:

    • Nursing Education
    • Curriculum Evaluation
    • Competency Assessment

    Background:

    • Longitudinal evaluation of the final year of the Oregon Consortium ofNursing Education (OCNE) curriculum.
    • Explored students' perception of competency and benchmark proficiency.

    Purpose of the Study:

    • To evaluate RN-to-baccalaureate students' perceived competency levels throughout their final year.
    • To identify specific competencies where students felt more or less confident.

    Main Methods:

    • Retrospective, longitudinal mixed-methods study.
    • Tracked postlicensure students from Transition to Capstone courses.
    • Utilized previously developed language categories of attainment for each benchmark.

    Main Results:

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    • Analysis of narrative language of attainment levels using prior developed themes.
    • Student attainment levels coded in Capstone compared to Transition course.
    • Higher confidence reported for Relationship-Centered Care and Clinical Judgment competencies.
    • Lower confidence reported for Leadership and Population Care competencies.

    Conclusions:

    • Deeper understanding of RN-to-baccalaureate student confidence toward attaining 10 OCNE competencies.
    • Supports continued curriculum development to address areas of low perceived competence.
    • Tracking competencies may strengthen accreditation processes.