WGU C207 Data Driven Decision Making Module 5 QUESTIONS WITH 100 % CORRECT ANSWERS |VERIFIED

When determining the reliability of a test, the same test is given to the sample on two different occasions. What type of reliability test is this? a Split-Half Method b Cronbach's Alpha c Parallel-Froms Method d Test-Retest Method - ️️d Test-Retest Method What is a use of an index number? a To find books in the library b To assess the quantity or price of a good over time c To compare the price of two goods at a given moment d To compare other numbers to a certain number on a number line - ️️A simple composite index is created when a researcher gathers data from many different sources without weighing any data more significantly than any other data. Usually, this means that there is only one good or service being measured so that all of the information is weighted equally. A __________ measures one quantity in relation to another quantity. a proportion b incidence c rate d ratio - ️️d ratio Results-based management does NOT need which of the following? a Statistically complex indicators b Constant monitoring c Collaboration between all participants d A common goal among everyone involved - ️️a Statistically complex indicators Results-based management uses simple indicators in order to be more flexible to the constant changes of running a business. Which one of the following is NOT an example of big data?a Department store questionnaires for online shoppers b The number of people in the entire world c Different heights of people in the state of Alabama d Spending habits of people from Beverly Hills - ️️b The number of people in the entire world The purpose of data mining is to: a determine the direction an individual or company takes. b discover outliers in the data. c decipher patterns from large databases. d establish large data as a useful tool. - ️️c decipher patterns from large databases. A ___________________ is created when a researcher combines data (e.g. prices) from multiple items without weighing any of them more significantly than the others. a simple composite index b weighted composite index c simple index number d none of the above - ️️a simple composite index A simple composite index is created when a researcher gathers data from many different sources without weighing any data more significantly than any other data. Usually, this means that there is only one good or service being measured so that all of the information is weighted equally. ____________ counts all of the existing cases of a disease, while ______________ only counts new cases. a Prevalence and incidence b Rate and ratio analysis c Ratio analysis and rate d Incidence and prevalence - ️️a Prevalence and incidence Which of the following sentences is NOT true about the True Score Model? a An observed score is the score that is actually achieved on a test. b A true score is the best possible score an individual might achieve on a test. c Random Measurement Error should disappear as the number of tests increases. d Systematic Measurement Error means that there is a problem within the experiment itself. - ️️b A true score is the best possible score an individual might achieve on a test. Which one of the following is an example of Item Response Theory?a A coach gives his player a challenge to run around 6 cones in a certain amount of time. The player easily succeeds at this challenge. The coach then adds 4 cones and tells the player to try the new challenge in the same amount of time. b A teacher notices that the student is not paying attention. The teacher calls on the student to respond to a question. The student does not know the answer. c A student is given a twenty question test. After the first ten questions about grammar, the student proceeds to the next ten questions about vocabulary. d An employee is hired for a position. Once the employee gets there he is given different duties than he was hired for because his original responsibilities are not needed. - ️️a A coach gives his player a challenge to run around 6 cones in a certain amount of time. The player easily succeeds at this challenge. The coach then adds 4 cones and tells the player to try the new challenge in the same amount of time. Governments often apply cost-benefit analysis when making decisions. They usually try to take into account many variables. John is a member of the state senate. What is a variable John should NOT consider when determining whether or not the state should build the bridge. a The environmental impact of construction b The decrease in spending at businesses near other bridges c The cost of the construction of the bridge d The number of times John will use the bridge - ️️d The number of times John will use the bridge Results-based management tracks and displays many complex indicators to better evaluate performance. T/F - ️️F Results-based management does not have many complex indicators, but rather it simplifies the data to better allow for a constant change of individual's roles as their performance is evaluated.