Stat Exam 2 - 1. Observation Study researchers simply...

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1. Observation Study – researchers simply observe or question the participants about opinions, behaviors or outcomes. 2. Experiment – researches manipulate something and measure the effect of the manipulation on some outcome of interest. 3. Randomly Experiments – experiment in which the participants are randomly assigned to participate in one condition and another. 4. Treatments - the different conditions 5. Unit – used to indicate a single individual or object being measured. 6. Experiment Unit – In experiments the most basic entity to which different treatments can be assigned. 7. Subjects – when the experimental units are people. 8. Participants - in experiments and observational studies. 9. Explanatory Variable – one that may explain or may cause differences. 10. Responsible Variable – the outcome variable. 11. Graphing the relationship between two quantitive variables: Minitab: graph – scatterplot, then select simple. In the dialog box. Specify the columns containing the raw data for y and x. To Mark different subgroups with different symbols, select with groups rather
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Stat Exam 2 - 1. Observation Study researchers simply...

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