assignment 1 testing hypotheses for means

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For this Assignment, you will be provided with three scenarios. As you read the scenarios, be sure and think about aligning the appropriate t test with the question. Consider whether the data are independent samples and if two samples are being compared.

To prepare for this Assignment:

  • Review the t test scenarios and consider the three different approaches of t tests:
  • Independent sample t test
  • Paired sample t test
  • One sample t test
  • Based on each of the three research scenarios provided, open the High School Longitudinal Study dataset using SPSS software, then choose and run the appropriate t test.

Use this link https://nces.ed.gov/surveys/hsls09

For this Assignment:

*** Write a 3 to 4 paragraphs analysis of your t test results for each research scenario and include the SPSS syntax and output.

Based on your results, provide an explanation of what the implications of social change might be.

Use 5-6 APA formatted references, citations, and referencing for your analysis, research questions, and output.(USE the 2 references attached).

Frankfort-Nachmias, C., & Leon-Guerrero, A. (2018). Social statistics for a diverse society (8th ed.). Thousand Oaks, CA: Sage Publications.

Wagner, W. E. (2016). Using IBM® SPSS® statistics for research methods and social science statistics (6th ed.). Thousand Oaks, CA: Sage Publications.

SCENARIO 1:

As an international development researcher, you would like to know African Citizen’s perceptions about current levels of democracy. Your working hypothesis is that a series of reforms have increased African views of the level of democracy today. You do not have a good research design to compare attitudes before and after the reforms but know that leaders and development experts would like to see a value of 6, on the scale of 1–10. Determine whether perceptions about current levels of democracy statistically differ from a value of 6. Please provide: a 3–4 APA style paragraph statement that furnishes an answer to this question, note the relevant statistics, comment on meaningfulness and include your relevant SPSS output.

Use this link https://nces.ed.gov/surveys/hsls09

SCENARIO 2:

As an international development researcher, you have already tested whether perceptions about the current levels of democracy differ from a value of 6. Given recent social change movements in North Africa, you now want to determine whether there is a statistical difference in these perceptions between North Africa and Southern Africa. Please provide: a 3–4 APA style paragraph statement that furnishes an answer to this question, note the relevant statistics, comment on meaningfulness, and include your relevant SPSS output.

Use this link https://nces.ed.gov/surveys/hsls09

SCENARIO 3:

As an educational researcher, would like to know whether high school student’s perceptions about mathematical utility changed between their freshman and senior year. Each respondent is asked the same series of questions about the utility of mathematics in their future during their freshman and senior year. These questions are combined to form one variable of mathematical utility; higher values indicate higher levels of mathematical utility. Using the High School Longitudinal Survey, please provide: a 3–4 APA style paragraph statement that furnishes an answer to this question, note the relevant statistics, comment on meaningfulness, and include your relevant SPSS output.

Use this link https://nces.ed.gov/surveys/hsls09

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