What type of analysis uses existing data to test a hypothesis or a research question? a....
What type of analysis uses existing data to test a hypothesis or a research question?
a. Outcomes analysis
b. Replication analysis
c. Secondary analysis
d. None of the above
Homework Answers
As the Secondary analysis involves the use of existing data for a distinct purpose than the previous established one. This research interest is separate from the original work.
Eg: data collection of the population for Census Bureau
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What type of analysis uses existing data to test a hypothesis or
a research question?
a....
Based on the research question below, determine the type of hypothesis test. Have the mean sales...
Based on the research question below, determine the type of hypothesis test. Have the mean sales decreased in the last year? Left-tailed Right-tailed Two-tailed None of the above
Your research hypothesis is "In the population, a driver's speed (mph) varies by the type of...
Your research hypothesis is "In the population, a driver's speed (mph) varies by the type of vehicle he/she drivers." What type of analysis should be used? a. paired-sample t-test b. independent samples t-test c. One way ANOVA d. Two-way ANOVA e. chi-square
What type of data would necessitate using a hypothesis test of the population proportion rather than...
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Which of the following statement is true about hypothesis testing in regression analysis? A. It is to test a statement a...
Which of the following statement is true about hypothesis testing in regression analysis? A. It is to test a statement about a coefficient of a sample regression B. It is to test a statement about a parameter value for the population C. The value for null hypothesis must be 0 D. none of the above is true
Part I: Research question/hypothesis A. State the research question or hypothesis motivating the ...
Part I: Research question/hypothesis A. State the research question or hypothesis motivating the proposed study Are homeless children the innocent victims in an economic downturn? B. Is the proposed study correlational or causal? This is a correlational study. C. State the variables that will be assessed as well as their hypothesized relationship. If the study is causal, specify which variables are dependent and which are independent. Homeless children and economic downturn. D. State any other key constructs which will be...
Using an existing survey dataset to study family dynamics is a a. secondary data analysis b....
Using an existing survey dataset to study family dynamics is a a. secondary data analysis b. content analysis c. focus group study
In the following research, identify 1. test type, 2. null hypothesis, 3. alternate hypothesis, 4. test...
In the following research, identify 1. test type, 2. null hypothesis, 3. alternate hypothesis, 4. test statistic, 5. p-value, and 6. conclusion. When engaging in weight-control (fitness/fat burning) types of exercise, a person is expected to attain about 60% of their maximum heart rate. For 20-year-olds, this rate is approximately 120 bpm. A simple random sample of one hundred 20-year-olds was taken, and the sample mean was found to be 107 bpm with a standard deviation of 45 bpm. Researchers...
Question A. The below data correspond to an independent-measures t test. 1. Provide a hypothetical research...
Question A. The below data correspond to an independent-measures t test. 1. Provide a hypothetical research question that is appropriate for an independent- measures t test. 2. Identify the independent and dependent variables of your research design, including the levels of the independent variable. 3. Describe what an alpha level is, and what the alpha level's relationship is to the null hypothesis in the specific context of your research study. 4. Using the following data below, determine whether the data...
What situation in criminal justice research/practice would require a hypothesis test to examine if there is...
What situation in criminal justice research/practice would require a hypothesis test to examine if there is a significant difference between means (i.e. continuous data)? What variable(s) could this type of test be important for? Explain its importance in the criminal justice context and how you would construct a study to collect the necessary information.
say a student uses their personalized class data set to test the hypothesis that more than...
say a student uses their personalized class data set to test the hypothesis that more than 50% of the people in class are in Chemistry, and rejects the null hypothesis at the 2% significance level. Consider the following statements. (i) The proportion of students in this class who are in Life Sciences is in fact greater than 50%. (ii) The p-value is greater than .02. (iii) The probability of Type II error is less than than 2%. (iv) A Type...
Part I: Research question/hypothesis A. State the research question or hypothesis motivating the proposed study Are homeless children the innocent victims in an economic downturn? B. Is the proposed study correlational or causal? This is a correlational study. C. State the variables that will be assessed as well as their hypothesized relationship. If the study is causal, specify which variables are dependent and which are independent. Homeless children and economic downturn. D. State any other key constructs which will be...
Question A. The below data correspond to an independent-measures t test. 1. Provide a hypothetical research question that is appropriate for an independent- measures t test. 2. Identify the independent and dependent variables of your research design, including the levels of the independent variable. 3. Describe what an alpha level is, and what the alpha level's relationship is to the null hypothesis in the specific context of your research study. 4. Using the following data below, determine whether the data...
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