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Related Concept Videos

Qualitative Analysis03:46

Qualitative Analysis

28.7K
For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
For instance, group IV...
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Qualitative Analysis01:10

Qualitative Analysis

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Qualitative analysis is the process of identifying elements, ions, or compounds in an unknown sample. It is the first and most fundamental type of analysis based on the hierarchy of analytical goals. This hierarchy is significant as it provides a structured approach to scientific research, with qualitative analysis serving as the initial step, providing essential information before moving on to quantitative or other forms of analysis.
There are two main approaches to qualitative analysis:...
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Case Studies01:22

Case Studies

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There are many research methods available to psychologists in their efforts to understand, describe, and explain behavior and the cognitive and biological processes that underlie it.
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Quantitative Analysis01:12

Quantitative Analysis

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Quantitative analysis is a technique for measuring the amount of specific constituents in a sample. When the sample's composition is unknown, qualitative analysis is performed first to identify its components, which ensures that the correct substances are measured during the quantitative phase.
In quantitative analysis, two key measurements are made: the sample quantity and a property proportional to the amount of the analyte (the substance being analyzed). This forms the basis of the...
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Cochran's Q Test01:17

Cochran's Q Test

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Cochran's Q Test is a nonparametric statistical test used to determine if there are potential differences in the outcomes of three or more related groups on a binary (yes/no) or dichotomous outcome. It is essentially an extension of the McNemar Test, which is limited to two related samples - Cochran's Q test can handle three or more related samples, making it more versatile in scenarios where subjects are measured under multiple conditions. The test statistic follows a Chi-Square...
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Humanistic Psychology01:24

Humanistic Psychology

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Humanistic psychology emerged in the mid-20th century as a response to the deterministic and pessimistic nature of behaviorism and psychoanalysis. While behaviorism focused on observable behaviors influenced by the environment and psychoanalysis delved into unconscious motivations, both theories suggested that human actions lacked free will. In contrast, humanistic psychology offers a perspective that emphasizes the innate potential for goodness and growth within every individual.
This approach...
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Part two: Qualitative research.

J Quick, S Hall

    Journal of Perioperative Practice
    |August 28, 2015
    PubMed
    Summary
    This summary is machine-generated.

    This article explores qualitative research methods, their principles, and applications. It offers guidance for healthcare practitioners interested in conducting qualitative studies in the perioperative setting.

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    Area of Science:

    • Healthcare Research
    • Qualitative Methodologies

    Background:

    • Qualitative research offers in-depth understanding of phenomena.
    • Its application in healthcare settings is growing.

    Purpose of the Study:

    • To elucidate the principles and methodologies of qualitative research.
    • To demonstrate its utility in the perioperative environment.
    • To guide practitioners in undertaking qualitative research.

    Main Methods:

    • Exploration of qualitative research principles.
    • Discussion of various qualitative methodologies.
    • Case examples within the perioperative setting.

    Main Results:

    • Qualitative research provides rich insights into complex healthcare issues.
    • Methodologies include phenomenology, grounded theory, ethnography, and case studies.
    • Successful application requires careful planning and execution.

    Conclusions:

    • Qualitative research is a valuable approach for perioperative inquiry.
    • Practitioners can effectively utilize these methods with proper guidance.
    • Further research is encouraged to expand the qualitative evidence base.