spss

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    Study design flaw - no participant IDs.

    Hi :wave:, I have been asked to do the statistical analysis aspect on a mixed methods study that was supposed to follow a pre/post analysis method in regards to the quantitative aspect of it. The hypothesis on the study is to assess: 1) If a leadership intervention had a statistical...
  2. D

    Kappa SPSS

    Hello All, Thank you in advance if you are able to provide some information on my question. I am attempting to run Cohen's kappa for inter-rater agreement in SPSS. I have 2 raters; however, there are multiple variables (20+) that they are each rating. My question is how do I go about setting...
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    Controlling for Confounders- Adjusted Means/Mean differences

    I am running analysis in SPSS. My research question: Is there a difference between the mean scores of group X and Y on the outcome variable. For this I will use a t-test. However, I would also like to a compute t-test which gives adjusted means/an adjusted mean difference after controlling for...
  4. R

    Interpreting correlation split file data

    Hello, I ran a split file correlation with the race as a group. I am not sure how to interpret a section of this chart, particularly the last section which is labeled "9.00." Is that a summary? What does that mean? Thank you,
  5. A

    Interpreting the data — Correlation coefficient and significance level

    Hello, I need to fix the problem choosing and interpreting the correct statistical test for my data. I have data from (a) Minnesota Job Satisfaction Questionnaire short form (20 questions, answers from 1 (=very dissatisfied) to 5 (=very satisfied)) and (b) from Social Readjustment Rating...
  6. A

    Pearson VS Spearman — Choosing and interpreting the test

    Hello, I need to fix the problem choosing and interpreting the correct statistical test for my data. I have data from (a) Minnesota Job Satisfaction Questionnaire short form (20 questions, answers from 1 (=very dissatisfied) to 5 (=very satisfied)) and (b) from Social Readjustment Rating...
  7. H

    How i can analyse two questionnaires to find the Reliability Coefficient

    I am working on a project in which i am comparing Public and Private schools performance for that I have to compare the data on SPSS to find the Reliablity Coefficient . Please help me I need quick response.
  8. R

    SPSS: correlate or regression in broad form

    Hey! I was wondering, I have 5 dependent variables and 2 within subject factors with 2 conditions. These are in a broad structure in SPSS, which means i have 20 'SPSS variables'. Now i want to see if there is a correlation between any of the 5 dependent variables. Is it possible to do this in...
  9. C

    SPSS: The Independent Samples table is not produced.

    Hi everyone, I am desperately trying to get my head around the reason why I cannot run an Independent t-test using for the variables "Height" and "Gender". Every time I get a warning message saying "The Independent Samples table is not produced". Please find attached various print screens of...
  10. M

    What tests to unleash on the data?

    Hey everyone! So here's some background: I'm doing a course on data-analysis [SPSS] and my teacher likes the idea of us finding our own solutions, so we don't get much help from him (We're allowed, and cheered on to find help on the internet). So that brings me here! I'm not too good at this...
  11. B

    totally lost...

    Hey, I need some help. I'm a full on Arts-and-Humanities person, but I need some stats! Here's the story: 1. Two groups of participants: Group 1 got the treatment, Group 2 didn't. 2. I've calculated the difference in their scores from the pre-test and the post-test (on 5 different...
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    Computing sequential time variable- Long format

    Hi Everyone, I am currently looking at lung function decline/change over time. Lung function parameters such as fev1, fvc, fev1/fvc have been converted to z-scores . The data is in long format with each individual having more than 2 assessments until 4. Thus, each individual has data in 2...
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    SPSS Fuzzy matching with a date range

    Hi all! I am trying to match cases and controls. I would like to match on sex, age (+/- 3 years), and date of accident (+/- 6 months). I have been using the SPSS fuzzy function to match and have entered 0 and 3 (0 3) but cannot work out how to specify the 6 months fuzzy range for dates...
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    Simspons Diversity Index

    I have calculated the simpsons diveristy index for three different strata: Understorey (1-D= 0.55), Subcanopy (1-D=0.77), canopy (1-D=0.83) How can I test if there is a significant difference between these? Do I need to? Any help would be greatly appreciated. I have had a play around in...
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    Which test should I use?

    Hello, I'm writing my thesis and I'm clueless about which statistic test I need to apply ( is it T-test, Chi-text, Anova …), I will do my ststistics on SPSS. In my thesis I have 2 sets (=2 groups) of patients with the same disease, one group gets a specific treatment , while the second group...
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    Multicolinearity test for Multivariate Multiple Regression

    Hi, all -- I have multiple independent and multiple dependent variables, some of which are categorical and others quantitative. I've made the appropriate dummy variable columns for the categorical variables. The procedure for testing for multicolinearity for multiple regression is easy...
  17. S

    How to extract representative random subsample from large sample?

    Hi! I am new to SPSS and currently looking at data on family firms and non-family firms and their performance - I want to compare the group of family firms (70 firms) with non-family firms (25 000 firms). As you can see, the sample sizes are very different and I want to make them more similar...
  18. P

    Regression Analysis?

    I am looking for a relationship between a nominal and an interval variable. After reading another post it seems that a regression analysis was the best bet, however I'm not sure it is applicable on my subject. I want to research weather if countries are member of the european union has...
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    Which test to use in SPSS? Would be great if you could help! :wave:

    Hi guys, I am writing my thesis at the moment but I'm kinda stuck. I have two main questions: - My independent variable is nominal (dummy 0-1), dependent variable is interval (scale 1-7), my moderator is nominal (dummy 0-1). What test do I use using SPSS? For now on I use a linear...
  20. E

    How to perform several univariate analysis (binary logistic regression)

    I have a simple question about SPSS. I have a dataset in which I want to identify variables (among 154) which may be associated with my dependent variable (binary). To present the results, peer-review want univariate analysis for all 154 of them. Do I have to do a bivariate binary logistic...