# Tagged Questions

IBM SPSS Statistics (formerly SPSS, i.e. "Statistical Package for the Social Sciences") is a proprietary cross-platform general-purpose statistical software package. [For SPSS Modeler, use 'spss-modeler' tag.]

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### Multiple imputation in different software packages

I'm a grad student and my mentor asked me to write up some multiple regressions that had already been run. The model has around a dozen predictor variables (some dichotomous, some continuous) and 1 ...
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### SPSS: Interpretation of coefficients - OLS

I could need some help interpreting my findings. I've been conducting a linear OLS regression with the following output: I'm trying to discover what the influences are from an acquisition on the ...
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### ANOVA showing 0,00 value while I only want it to show 1 and 2 value

I'm currently working on my bachelor thesis but came across something that I can't fix myself. When running an ANOVA I get the following output: I want to make the 0,00 value gone because now I ...
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### Heterogeneity testing in logistic regression models

We ran 5 separate logistic regression models testing a set of independent variables on 5 different country-specific datasets. Our goal was to assess the relative contributions of known risk factors of ...
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### How to perform a nested or hierarchical ordinal logistic regression in SPSS

I have one outcome/dependent variable that can be ordinal or nominal and 3 independent variables. I have learned so far how to perform ordinal and multinomial logistic regression in SPSS between a ...
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### mean\medians as data points in two way repeated measures ANOVA

I have a table with 12 columns each regarding one combination of three (2X2X3) diffrent conditions in an experiment. Each row (25) represent a subject that did the experiment. Each data point in the ...
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### Strange outcomes in binary logistic regression in SPSS

I did a binary logistic regression with SPSS 23 and I found some strange outcomes. This is for NOACprev until No_Prev_treatment, the last 6 variables. First of all they have very high outcomes for B, ...
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### How to find confidence interval for the mean of a variable between two different factors in SPSS?

I have data that outlines tumor sizes in patients and whether or not they are male or female. I would like to find the 95% confidence interval for the difference in mean tumor size between male and ...
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### Repeated measures with categorical variables in SPSS

I'm looking for some help with my thesis. The research is the following: I asked my respondents to give an alibi for several time periods; a day ago, a week, a month, 6 months and a year ago. For ...
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### RM ANOVA in SPSS - 'Within' or 'Measure'?

I've gathered data on an experiment where my participants performed a task with 3 blocks. In each block, there were 20 trials, each offering them a choice between one of four options. So for example, ...
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### Independent t tests and unequal same size

Just wondering if when 'Equal variances are assumed', but the number of participants in the experiment are unequal (and the sample sizes are $<30, n_1=24$ and $n_2=25$) is it still okay to continue ...
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### Post hoc ttest in SPSS

I computed a A x B (2 x 2) within subject ANOVA for a given ROI using repeated measures GLM. The interaction between A and B was not significant, but two main effects were detected. Can I still ...
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### Combining two variables

I have a questionnaire about factors that affect trust in online shopping. The questionnaire is split into 5 topics (such as security, privacy, website design etc.) with 2 questions per factor. I've ...
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### Likert scale - suitable analysis

I'm brand new with SPSS and I have to analyse a likert scale and I don't know what type of analysis are suitable. I have 30 completed questionnaires within 3, 4 and 5 stars hotels. Every ...
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### Why does SPSS give different p-values in the factorial ANOVA table and the Parameter Estimates table?

I ran a 2x2 ANOVA in which I predicted anxiety from two binary predictors (gender and agegroup). I couldn't understand why the p-values in the Tests of Between-Subjects Effects table did not ...
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### Correlation between different variables with different relations [duplicate]

if x and y are positively correlated and x and z are negatively correlated. Is it implied that the relationship between x and y will be negative??(checked via pearson correlation)
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### How do I covary out a time-variable covariate in a repeated measures analysis?

I'm trying to analyze a longitudinal data set looking at pre- vs post-treatment effects on a single dependent variable. The difficulty I'm running into is that subjects in the group being analyzed are ...
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### What does the results from the parameter estimates option from SPSS' mixed ANOVA mean?

Using the General Linear Model procedure in SPSS, I ran a mixed design ANOVA with one between-subjects factor and one within-subjects factor. I selected the 'parameter estimates' option and got the ...
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### PROCESS macro SPSS: one mediator and three moderators

I have a mediation moderation model with 1 mediator and 3 moderators (between the mediator and DV). I can't find the right model in the templates provided by Andrew Hayes for his SPSS PROCESS macro. ...
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### Ranking Data Comparison

I'm currently analyzing my experimental data and I have a question about comparing two variables. In the experiment I have a question which asks respondents to rank a set of pictures based on their ...
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### Outlier transformation or no transformation?

I have two group's of 25 people each. I want to know if there a difference between them on a past experience of happiness . I have a test with 100 question in it and all question have an a and b ...
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### relationship and effect on dependent variable

is it possible to have a variable which acts as both dependent and independent variable? for example: on the relationship between learning styles and inner speech during reading comprehension tasks. ...
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### Regression model with company fixed effect in SPSS

I am an economic student researching which factors of culture influence the participation of an employee in the planning proces. As my studies didn't offer any sofisticated statistics courses, I'm ...
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### Formative measurements in SPSS

I run an experiment and I have a dependent variable (aggression) which is a formative measurement with four indicators. My question is how I can analyze this with SPSS? I know that PLS-SEM can handle ...
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### Interpretation of continuous by continuous interaction in binary regression model

I'm performing binary logistic regression in SPSS; y is dichotomous variable; and both Xs are continuous variables. I performed three models and I have troubles interpreting model with both ...
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### Mixed model: Converting SPSS syntax to STATA [closed]

I'm currently using SPSS to produce a linear mixed-model for my study: Participants are divided into 2 groups, where each participant is tested over 3 days, with each day consisting of 12 blocks, and ...
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### Ran a logistic regression and fit my data to the predicted model but the predicted model is not overlapping the observed data

EXPERIMENT: Heaviness judgments of a variable weight to a standard weight (2000g). Independent variable/covariate: Weight (9 levels: 1920g, 1940g, 1960g, ... , 2060g, 2080g) Dependent variable: ...
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### Does Sample Size Affect Partial Eta Squared values when running a Mancova or Ancova?

I am currently running an ANCOVA and MANCOVA for my research and need some help in terms of understanding the Partial Eta Squared(PES) values given to me off on SPSS. I am first wondering if with PES ...
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### Two-way repeated measures ANOVA for 2 independant and 1 dependant with heart rate

I've been trying to find someone with a similar question for hours now, so sorry if this is a duplicate: I've got music (independent variable no. 1)-three different types (so 3 levels), emotion (...
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### SPSS vs R: test of flatness in profile analysis

I'm trying to do a profile analysis on a relatively simple design, but I'm getting different numbers between R and SPSS for specifically the test of flatness My data looks like this: ...
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### How to model percentage dependent variable using logistic regression in spss

I have some aggregated data. Indep. Dep. N 1.3 78% 23 1.2 67% 20 Indep var the average score of people in a particular region. Dep. var ...
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### Log transformation in SPSS for percentage dependent var

indep_avg dep_% Frequency 3.4 5.6 67 5.6 2.5 96 3.2 6.3 23 I have some aggregated data. The Independent ...
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### How to infer a relationship between a categorical variable with 2 categories, and a discrete, interval level quantitative variable?

I am looking to use SPSS statistics / graphs to infer a relationship between a categorical variable with two categories, and a quantitative variable (income) with defined parameters (meaning it is not ...
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### How to analyze $2^k$ design with replicates in SPSS (or R)?

I want to tune the parameters of an optimization algorithm. Since there are $4$ parameters: A, B, ...
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### Statistical relationship with both dependent and independent variables percentages that sum to 1

I'm trying to see if there is any relationship between the market share of a company (dependent variable) and the "tweet share" of this company (independent variable). The tweet share of a company is ...
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### What's the relationship between initial eigenvalues and sums of squared loadings in factor analysis?

On the one hand I read in a comment here that: You can't speak of "eigenvalues" after rotation, even orthogonal rotation. Perhaps you mean sum of squared loadings for a principal component, ...
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### Calculating Efficiency in ROC analyses

I don't have a detailed understanding of statistics and need help. I'm working on determining cutoff scores for a brief measure using SPSS. Background: we administered one measure at three different ...
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### Which test should I be using?

I'm doing a longitudinal study and want to compare two sets of scores taken three months apart to see if there's a difference. I also want to see if there's a difference between the two age groups ...
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### Multiple Imputation on date categories

I am doing multiple imputation using SPSS 22 and I have some issues that I'm not able to sort. I am working with a database of about 300,000 cases, of which approximately 10% of cases have missing ...
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### Why does the beta of a linear regression change when entering another step? [duplicate]

I'm working with linear regressions in SPSS and am stumped by this issue. First, I'm entering my variables in three steps and get my beta value for Variable X in Model 3. Then, I'm adding another step ...
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### Analyzing time-use data + questionnaire

I'm doing research among students at a major institution. My initial hypothesis is that students are reading less, especially books and print, while their time is increasingly spent interacting with ...
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### How to compare before and after means between 2 different groups

I am doing a study with 34 participants and I calculated their fruits and vegetables consumption based on survey before and after the intervention. I also taken another measurement of stages of change ...
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### Correlation and then a multiple regression

I have used a pearson correlation to see if certain variables that other people have found to predict the Dependent variable do occur (so I can use them as covariates later on). I then wanted to do a ...
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### Correlation between interval and ordinal data

I am performing analysis to establish the correlation between personality (self-rated) and competency performance (line manager rated). The personality domains are the 'Big 5' and have been created ...
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### Statistical analysis of relational database: is it possible and how?

I have been struggling with flat file databases and corresponding statistical packages for almost 20 years now (from Excel to SPSS, then Stata, and currently R). However, I have always had to convert ...
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### SPSS Friedman post-hoc - determining best classifier

I'm a newbie, so sorry if the question is too straight forward. I'm comparing 5 algorithms on 10 different data sets. In SPSS I did a Friedman test, and the null hypothesis is rejected. Now I would ...
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### comparing survey responses

I have requested 30 participants to answer the same question about 100 images: "How easy is it for you to recognize this image?" on a scale from 0 to 100, where 0 is easy and 100 is difficult. I want ...
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### Correlation between Ordinal scale and multiple response question/ tick all that apply

I am trying to correlate the Ordinal scale variable, that is: Mother's education( Lower, Medium, and High) with the "career choice question, with multiple response option (tick all that apply).... How ...