Questions tagged [spss]
IBM SPSS Statistics is a statistical software package. Use this tag for any on-topic question that (a) involves SPSS either as a critical part of the question or expected answer and (b) is not just about how to use SPSS.
1,995
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Multi level frequencies SPSS 28 [closed]
I have multilevel data, which means that for every respondent I may have 0-50 responses on a variable. However for the variable 'number of cats' and 'number of dogs' I need the frequencies per ...
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21
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Performing multiple linear regression on SPSS when there are many predictor variables
I have a question about performing multiple linear regression preferably on SPSS 27.
I had 3 dependent variables on the teacher's intention to remain on the job. I got a mean of the scores (measured ...
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Logistic regression in SPSS 28 [closed]
I need urgent help please
I can’t find the logistic regression on my regression list. Can anyone tell me how to fix it please
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11
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Friedman on one subject?
my goal is to define the interaction between 2 compounds. The data did not meet the assumptions of Two way Anova. I understand their is no alternative to testing the interaction. I am less interested ...
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7
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Imputing missing values for a RM-ANOVA in SPSS (how to work when there is case-wise deletion?)
I have 4 experimental groups/conditions and 5 measurement times for each group/condition. Each participant only took part in one of the 1 conditions. In total there are 27 participants and each ...
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23
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Can I run mixed models in SPSS applying bootstrap (using "cluster bootsrap")?
I have utilized the ClusterBootstrap package in R to run bootstrap analysis for mixed models. Is this possible in SPSS? Using the BOOTSTRAP-command in SPSS combined with
/RANDOM=INTERCEPT | SUBJECT(...
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1
answer
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Why does the survey package in R and SPSS complex samples add-on give different standard errors?
I was comparing results that I generated in R for complex survey analysis using the survey package to results from SPSS using the complex samples analysis add-on. The sample size is large ~ N=5500
...
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11
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SPSS: frequent combination of values?
I have a small dataset that has five variables of interest (diagnosis 1, diagnosis 2, diagnosis 3, diagnosis 4 and diagnosis 5). There are eight category values used across all five of these variables....
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Stress value cut-off for best fit on MDS for metric data
I am drawing a multi-dimensional scaling plot using SPSS to interpret the clustering of metric data based on genetic distances. Upon using ALSCAL, I get a stress value of 0.11 for 2 dimensions and 0....
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1
answer
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Redundant parameters, interpretation of Estimates of fixed effects in SPSS
I am running linear mixed models analyses for the second time. My categorical variable random1 for group is a dummy variable (1-0), and the output has this error:
b Parameter is set to zero because ...
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1
answer
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Wildly different answers replicating a GEE model from SPSS
Describe the bug
I'm attempting to replicate a GEE model in statsmodels from a published paper that used SPSS (https://pubmed.ncbi.nlm.nih.gov/33279717/). I am getting very different answers for what ...
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answer
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Why do the same set of data get different R2 calculated by three methods (r2_score & fit trendline in excel & linear regression in spss)?
For the same set of data
x1=1, y1=3
x1=2, y1=2
x1=3, y1=1
calculated by r2_score:
from sklearn.metrics import r2_score
...
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0
answers
21
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How to report a series of multiple regressions?
I'm currently trying to report my outputs from my multiple regressions, however the questionnaire that I'm using as the DV has no total score and 9 subscales instead.
I also currently have 9 ...
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answers
17
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Multiple or Hierarchical regression?
I'm currently doing research on parent/child feeding and using 2 questionnaires to predict the score of the 3rd questionnaire. However, I have a lot of other predictor variables:
gender
age
ethnicity
...
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1
answer
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Which analysis to use for correlating EEG data to symptomatology?
I have collected data on ADHD symptoms via questionnaires, so the participants score anywhere from 0-23 on this questionnaire and that would determine severity. Higher score = higher symptomatology. I ...
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1
answer
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What statistical analysis to run for continuous variables and count variables in SPSS?
My study for my Bachelor Thesis consists of 3 independent variables and one dependent variable. I want to analyze whether cooperative attitude predicts a change in defending behavior against bullying ...
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0
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How to find significance of Eta correlation?
I am running a test of association between a categorical/multinomial variable (example: hair color) and a continuous/nominal variable (example: ratings of happiness 0-100). I believe the correct test ...
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Mediation using PROCESS in SPSS- Add covariates to model
I am conducting a mediation analysis (model 4) in SPSS using the PROCESS macro by Hayes.
I have cross-sectional survey data and want to test the following relation:
Trait perfectionism (X) -> ...
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0
answers
14
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How to perform 2-by-2 Chi square test to compare the incidence rate between two periods
I have data on hospital admissions for specific indicators in an Excel sheet, with each sheet representing one year (from 2015-2021). I need to calculate averages from 2015-2018 and 2019-2021 for ...
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1
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0
answers
18
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Clustering mixed data - SPSS [closed]
On my current project, I have to form four or five clusters describing different types of banking customers. The data is based on a survey of around 3500 participants and contains more than 250 ...
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2
answers
96
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Question about Spearman's correlation [closed]
I want to measure the associations between a number of variables and all of them are measured on a ratio scale. If I am to run Spearman's correlation, can I just run it on the variables as is? Or do I ...
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25
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Mediation with multiple imputation dataset - binary mediator and outcome variables
Please help! Psychology dissertation data analysis questions:
Summary of main questions:
what is the correct code in SPSS to run Valeri and VanderWeele's "mediation" macro (because the code ...
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How to test a moderated mediation model in which data on dependent and independent variables comes from different sources?
I am trying to test a moderated mediation model in which I have gathered data from two groups of participants: managers and staff members. Managers answered the questions on independent variables (let ...
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1
answer
57
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Multiple linear regression with one binary variable
Can I add 3 continuous independent variables and one binary categorical variable (without making dummy variables, as a dummy variable is created for more than 3 categories?) For example: one dependent ...
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1
answer
40
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How to compare two non-dichotomous categorical variables?
I have a dataset of individuals with one categorical variable of age groups (18-24, 25-35, etc), and another will illness category (7 values in total). If I graph the data I can see obviously much ...
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13
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Multiple Imputation Chained Equations - Pooled SD/Descriptives
I've run Multiple Imputation by Chained Equations (MICE) on SPSS, and wanted to report descriptive statistics for my sample. I know that the SD is not reported in the "pooled" portion of the ...
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answers
45
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SPSS - covariance structure and intra-class correlation
I am fitting linear mixed models in SPSS with 2 categorical fixed factors (bolus type and muscle type) and the participants as random factors. Each participant underwent bolus and muscle conditions. ...
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1
answer
35
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How to determine if the results to a multiple choice question was statistically significant
I did a survey and had 41 people answer a multiple choice question, where they could only pick one answer. The frequencies included:
$A = 25$
$B = 12$
$C = 4$
$n = 41$
I want to know if there is a ...
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1
vote
1
answer
28
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Testing significance for two groups with dichotomous variables
Is a 2x2 table/Chi-square test an appropriate method if I have a set of data with two dichotomous variables like so:
Location
Heavy User
Very Heavy User
Urban
10
5
Rural
20
30
or similarly
...
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0
answers
14
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The difference between univariable and multivariable cox regression
I am running a study comparing outcome of an intervention with multiple variables (factors). I read about univariable and multivariable analysis. I had few confusion about these.
I am using SPSS to ...
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Comparing demographics between 3 groups
I'd like to check on differences between 3 diagnostic categories in the demographics (for instance if one disorder is more prevalent in females or males), so I'd like to make comparisons on nominal &...
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1
answer
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How to account for proportionality of predictors in a poisson regression
I am looking to conduct an analysis to test which variables (diagnosis, ethnicity, level of care) significantly predict the number of self-harm incidents a patient has over 2 years (observational data)...
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17
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Validation of Data on SPSS [duplicate]
I have the data of 150 participants [2 different methods that assess the same thing (Blood pressure), one of which is considered as "gold standard method"] and I want to validate them on ...
user376879
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1
answer
38
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Linear regression with binary variable
Good day,
I hope you could help me.
My problem: I'm doing a linear regression with SPSS. Among other things, I am interested in gender differences. Since a distinction is only made between men and ...
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55
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Interpretation of post hoc for chi square test results in spss
working on 3 by 3 contingency table, the results of chi-square turned out significant, that was followed by computing adjusted residuals and calculating the p-value for each. only one cell returned as ...
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1
answer
83
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Which test should I use? paired t-tests or ANOVA?
For my statistical analysis, I have two methods and a specific bone to be measured by both methods.
Multiple variables should be measured for both bones like height, depth, width, angles, etc. So I ...
3
votes
1
answer
58
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Can I conduct a Kruskal Wallis test on 4 groups with very different sample sizes?
I have a paper under review where I conducted a Kruskal Wallis test in SPSS to compare 4 groups. Each group contains payments made by companies over one year, and ...
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0
answers
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What is the best way to identify demographic characteristics from within pooled survey data?
I have conducted a survey looking at individual exercise habits and their preferences regarding technology when measuring exercise and providing feedback. I am in the process of analysing the data ...
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0
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14
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How to Combine Totals from Variables in Crosstabs With Pairwise Comparisons?
I'm sorry if this is a basic question but I'm having trouble finding the answer online.
We ran a survey in which we assigned people to three scenarios and then asked them to make a (hypothetical) ...
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0
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28
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Why should we specify statistical analysis a priori? [duplicate]
I understand that multiple post hoc comparisons increase the likelihood of finding spurious associations, but I'm looking for an explanation of how exactly Type 1 and Type 2 errors are affected by not ...
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0
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7
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How to pick an appropriate test for a mixed design with an ordinal dependent variable
I am designing a survey project to try to see if image characteristics impact how pictured subjects are viewed by survey respondents.
As the design stands now, each survey respondent will be shown a ...
4
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1
answer
58
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Multilevel model with many groups, and half the sample = individuals (groups of 1)
I have a project predicting sentencing outcomes based on several predictors. Database of about 800 people. Some people share the offence that their sentencing is based on (i.e., co-accused), so they ...
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1
answer
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Transformation of variables in Regression one doubt
One small doubt I may be novice Please help me with your guidance.
I have dependent variable Log(Y) and a set of several independent variables say
x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,...... around 50 ...
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Test For Linearity, what happens when the sig value for Deviation From Linearity is 0.05? [duplicate]
I Log transformed a variable to make it more linear and ended up with a 0.05 in Deviation From Linearity. What does this mean? I know that >0.05 would indicate linearity but what about this case?
...
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What is the reason that r^2 changes when power fit is changed to linear by taking log10 first of independent and dependent variables?
Say I have a set of data in the form [x_i,y_i] where x_i is the independent variable and y_i the dependent variable.
[x_i,y_i]
...
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51
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Calculating Absolute Principal Component Scores in SPSS
As part of my doctoral work, I'm interested to learn about Absolute Principal Component Score (APCS). However, I am stuck at the step wherein we are supposed to calculate the absolute zero for each ...
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0
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47
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how to do stepwise regression with interaction terms?
I have a excel sheet with 100 independent variables and 1 dependent variable
Now I would like to run stepwise regression using SPSS with it considering pairwise interaction between them to.
As it may ...
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1
answer
35
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Within-subject Mediation analysis
I am trying to find a way to do a mediation analysis between a within-subjects IV and a DV.
I have found the Baron and Kenny approach and path analysis, but I am guessing both apply for a between-...
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SPSS Output - My Omnibus Test is insignificant, but I have significant predictors [duplicate]
I ran a binary-logistic regression in SPSS. Block 1 shows that the Omnibus Tests of Model Coefficients is insignificant for step, block and model, p =1.06. However, I have two significant predictors ...
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1
answer
60
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What test to use to compare two groups?
I have two random groups of participants each asked the same framing question, one group in a positive and one group in a negative manner. How do I test my data for normality and hence decide what ...
