Titlebook: Data Analysis with SPSS for Survey-based Research; Saiyidi Mat Roni,Hadrian Geri Djajadikerta Book 2021 Springer Nature Singapore Pte Ltd.

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Factor Analysis: Combining Related Question-Items into Latent Variables,in how to ‘compress’ multiple questions in your survey into a set of groups. These groups become your latent (unobserved) variables such as ., ., and . each measured by many questions. You can see how the questions cluster together giving you the structure you expect or sometimes speaking to you tha

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Assess the Quality of Your Instrument,e found that our research students tend to take questions from existing literature. This is great as long as the questions come from well established instruments which has been tested and replicated in many other research projects. Sometimes, the (latent) variables you want to investigate is unique

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Test of Differences Among Groups, BMW best performance was being at the second place (twice!). Rather than looking at the F1 result, let’s take 30 Mercedes C-class and 30 BMW 3-series, drive them on a track and record their speeds. Based on this data, we can run a statistical test to answer our research question – which car perform

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Regression,se a regression analysis to check if this is case. You can also use the regression to check how strong the fuel type influences your travel time relative to other factors. This is because the journey is also affected by road and traffic conditions as well as your driving style. In this chapter, we w

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Non-Parametric Tests,For example, if your dataset does not meet the assumptions for the .test (parametric), then Mann-Whitney test (non-parametric) in this section can be an alternative for you. Similarly, if you want to check if BMW, Ferrari, and Mercedes F1 cars are different speed-wise, you typically use ANOVA (param