C207 - Flashcards - Modules 1–6 questions fully solved

C207 - Flashcards - Modules 1–6 questions fully solved Frame the Problem, Solving the Problem and Communicating Results are part of which decision making model? -Correct Answer-Davenport-Kim three-stage model In which stage of the Davenport-Kim model is problem recognition? -Correct Answer-Framing the problem In which stage of the Davenport-Kim model is data collection? -Correct Answer-Solving the problem What is a key reason we study statistics? -Correct Answer-To make informed decisions Visually presenting the data assists in which stage of the Davenport-Kim model? -Correct Answer-Communicating the results When does research fail to produce reliable results? -Correct Answer-Poor research validity What are the two major issues surrounding research standards? -Correct Answer-Best practices and ethics In order to be a statistically valid sample, the sample must be: -Correct Answer-The appropriate size and random Not selecting a random sample is what type of bias? -Correct Answer-Measurement Not selecting a right sized sample is what type of bias? -Correct Answer-Measurement Research best practices eliminate... -Correct Answer-Bias Outliers create this type of error -Correct Answer-Out-of Range Unpredictable error -Correct Answer-Random Error - No correlation Error may occur from missing data. (Example: Space not filled in) -Correct Answer-Omission Error - Distorted results This error repeats itself -Correct Answer-Systematic Error - Skewed results Observation points that are distant from other observations. -Correct Answer-Outliers Note: Can be included or excluded in analysis (causes skewness) Types of Bias: Bias that occurs from not selecting a random sample -Correct Answer-Measurement bias Types of Bias: Bias introduced because respondents believe it will be beneficial if selected. -Correct Answer-Conscious bias (key word: benefit) Consistent and repeatable data -Correct Answer-Reliable