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Core - Statistics

    Chapter 12

    Statistics in Practice

    12.1 : What is an Experiment?01:12

    12.1 : What is an Experiment?

    An experiment is a planned activity carried out under controlled conditions. The purpose of an experiment is to investigate the relationship between two ...

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    12.2 : Study Design in Statistics01:15

    12.2 : Study Design in Statistics

    A study design is a set of techniques that allow a researcher to collect and analyze data from different variables defined for a specific research ...

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    12.3 : Observational Studies01:11

    12.3 : Observational Studies

    Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not ...

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    12.4 : Experimental Designs01:16

    12.4 : Experimental Designs

    An experimental design is a systematic process that allows researchers to evaluate the relationship between dependent and independent variables. There are ...

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    12.5 : Randomized Experiments01:13

    12.5 : Randomized Experiments

    The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally ...

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    12.6 : Crossover Experiments01:16

    12.6 : Crossover Experiments

    Crossover experiments, also called the repeated-measurements design, is a study design in which all experimental units are exposed to all treatments in ...

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    12.7 : Controls in Experiments01:13

    12.7 : Controls in Experiments

    When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results more ...

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    12.8 : Bias01:22

    12.8 : Bias

    Bias refers to any tendency that prevents a question from being considered unprejudiced. In research, bias occurs when one outcome or answer is selected ...

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    12.9 : Blinding01:11

    12.9 : Blinding

    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 ...

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    12.10 : Clinical Trials01:16

    12.10 : Clinical Trials

    Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and ...

    6.6K views
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