Standardized Business Assessment Quantitative Research Techniques and Statistics - Statistical Methods A researcher wants to investigate whether attitudes towards politics are d Which type of research design would the researcher have to use? A Survey / correlational B Naturalistic C Archiva D Observational
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Question 17 When two or more variables are correlated, but the relationship is NOT causal, then the relationship is said to be: Group of answer choices Equivalent Negative Positive Spurious Question 18 Of the following research methods, which is likely the most rigorous in terms of control and statistical analysis? Group of answer choices archival research correlational research naturalistic observation qualitative research Question 19 A researcher conducts a study using a random sampling approach. This type of sampling approach rules out which of the following research designs? Group of answer choices archival experimental non-experimental none of the above Question 20 When a study is conducted properly, which of the following research designs ranks higher on the hierarchy of evidence? Group of answer choices Correlational research Descriptive research Experimental research Quasi-experimental research
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What type of study would you conduct if you wanted to know how many hours a week on average students at your school spend on homework? Explain your reasoning. Problem 2 Select all designs which describe an observational study that is not a survey. A: 200 voters are randomly selected and asked how they will vote in the upcoming election. B: 60 pieces of lumber are randomly selected. Half of those are randomly assigned to be treated with a new sealer. Three months later the level of rotting in all the pieces is recorded. C: 100 pregnant women are randomly selected. For 8 weeks, the level of iron in their blood and their vital signs are recorded. D: 400 incoming sixth grade students are randomly selected. Researchers record their results on a reading test at the beginning and end of the school year and compare the level of improvement seen in students at elementary schools to students at middle schools. E: 300 people apply to test a new mattress. 100 of these customers are selected randomly to receive the new mattress and the others are given an older version. After 6 months they are asked to rate their satisfaction with the mattress.
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