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19 January, 01:07

Weinstein, McDermott, and Roediger (2010) con - ducted an experiment to evaluate the effectiveness of different study strategies. One part of the study asked students to prepare for a test by reading a passage. In one condition, students generated and answered questions after reading the passage. In a se tion, students simply read the passage a second time. All students were then given a test on the passage material and the researchers recorded the number of correct answers. a. Identify the dependent variable for this study. b. Is the dependent variable discrete or continuous? c. What scale of measurement (nominal, ordinal, interval, or ratio) is used to measure the dependent variable? or h ctudy reports that alcohol consumption is ta university why or why not. pidor inexperiment?

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  1. 19 January, 01:36
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    Weinstein, McDermott, and Roediger (2010) conducted an experiment to evaluate the effectiveness of different study strategies.

    One part of the study asked students to prepare for a test by reading a passage.

    In one condition, students generated and answered questions after reading the passage.

    In a second condition, students simply read the passage a second time.

    All students were then given a test on the passage material and the researchers recorded the number of correct answers.

    a. Identify the dependent variable for this study:

    The dependent variable for this study is effectiveness.

    b. Is the dependent variable discrete or continuous?

    The dependent variable is discrete.

    c. What scale of measurement (nominal, ordinal, interval, or ratio) is used to measure the dependent variable?

    The scale of measurement is ratio scale.

    Step-by-step explanation:

    a) To identify the dependent variable you need to find the item, circumstance, concept, sense, time frame, or any category in an specific scientific research, that is going to be measured. In this particular case, the dependent variable measured is the effectiveness of the different study strategies used based by the number of correct answers on a test. This variable could be influenced by independent variables also.

    b) The method by which we obtain the resulting values make the difference between a discrete variable and a continuous variable. If measuring is the used method, then it is a continuous variable, but if counting is the utilized method to get the correct number of correct answers, as it is stated in this case, then it is a discrete, finite and countable.

    c) The measurements' accuracy are given by the different scales or levels and they are classified as:

    - Nominal

    - Ordinal

    - Interval

    - Ratio

    Interval and ratio scales data are similiar is also known as called metric, sharing units, and represent quantiy., therefore the scale of measurement used in this study is ratio scale.
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