An Independent Samples Hypothesis Test Helps Us Determine If

An Independent Samples Hypothesis Test Helps Us Determine If Two Group

An independent-samples hypothesis test helps us determine if two groups (for example, cats and dogs) substantively differ with respect to a social value as measured by an interval-ratio variable (for example, feelings about lasagna measured on a scale from 1 to 10). For this project, you will be asked to prepare a report that tells us how two groups (for example, the US and Spain) differ with respect to one social value variable related to a UN SDG of your choice. Stated differently, you’ll be comparing local and global data and relating it back to the Sustainable Development Goals set forth by the United Nations. Click here to download the Project 3 Guidebook This document contains the instructions, rubric, example, data information, and SPSS instructions needed for the project. Click here to download the NEW Project 3 data file: Project 3 STA2122 Class Data 2020.sav This is NEW DATA is taken from the Pew research center's Global Attitudes Survey. You will need to open this NEW DATA file in SPSS in order to determine the sample size for your project. IMPORTANT: If your access to SPSS is interrupted due to COVID-19, Click here to access a document with analyses options you can use in your report. Click here to read about the sampling and methods used by Pew (Links to an external site.) Click here to review how to download and install SPSS.

Paper For Above instruction

This research project aims to explore the differences between two groups—such as countries or demographic categories—regarding a specific social value related to one of the United Nations Sustainable Development Goals (SDGs). The core analytical method involves conducting an independent samples hypothesis test, which allows us to determine whether observed differences between the groups are statistically significant or could have occurred by chance. The choice of social value variable should be measurable on an interval-ratio scale, such as survey responses rated from 1 to 10, capturing perceptions or attitudes pertinent to the selected SDG.

The project involves analyzing data from the Pew Research Center’s Global Attitudes Survey, which provides valuable global and local insights. To begin, you should identify and define the two groups you plan to compare—for example, citizens of the United States versus Spain—and select an appropriate social value variable linked to an SDG, such as perceptions of climate change (SDG 13), gender equality (SDG 5), or access to education (SDG 4).

Using SPSS, you will perform an independent samples t-test to assess whether the mean scores of the chosen social value differ significantly between the two groups. The process involves importing the provided dataset into SPSS, selecting the relevant variables, and conducting the t-test, paying close attention to the assumptions of the test—including normality and homogeneity of variances. The output will include the t-statistic, degrees of freedom, p-value, and confidence interval, all of which are essential for interpreting whether the observed differences are statistically meaningful.

Your report should start with an introduction outlining the importance of understanding group differences in relation to SDGs and the rationale for choosing your specific variable and groups. The methods section should describe your data source, the variables used, and the statistical procedures followed. The results section must present your findings clearly, including the statistical outputs and interpretation of p-values—highlighting whether the difference is statistically significant at the conventional alpha level of 0.05.

In the discussion, interpret what your findings imply for social policy or global/local dynamics with respect to your selected SDG. Consider the implications of significant or non-significant results and how they might inform initiatives aiming to achieve specific SDGs across different contexts.

Finally, conclude with a summary of your main findings, their relevance to the SDG targeted, and potential directions for future research. Remember to cite credible sources in APA format to support your analysis and contextual understanding.

References

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  • United Nations. (2015). Transforming our world: The 2030 agenda for sustainable development. https://sdgs.un.org/2030agenda

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