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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Chi-square Analysis for data derived from continuous variables

Let's say I have growth parameters for a population. People who exceed 95th percentile are marked with 1, and people who are otherwise below it are marked as zero. I will then use crosstabs to compare ...
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37 views

SPSS MIXED: Getting estimated marginal means for repeated measures

Any advice for getting estimated marginal means with a within-subject variable? I am looking at the dependent variable SIR over three time points (pre, mid, and posttreatment). My syntax is: ...
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1k views

What's the proper way to control for gender effect in a repeated measure anova (on SPSS)

I need some help to be sure I am using SPSS right (in this case, putting the variables in their right places). I have a 3 (3 different conditions/groups) x 5 ( time 1, 2, 3, 4, 5) and I want to ...
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88 views

Comparison of longitudinal data in a same group of participants but using two entirely different tests

I have a dataset of participants who were longitudinally followed up at two different time points. They went through a series of measurements at both points. Even though the overall domain of the ...
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20 views

Regression not sure

My early research shows that after giving voice therapy children improve their phonetic production- faster reaction times ( I had 10 participants who named 20 items pre and 20 post therapy). However, ...
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34 views

Advantage of a pooled Repeated Measures ANOVA?

Study Design: 2 (time) x 2 (condition) repeated measures design DV: Physical activity (i.e. walking/cycling/running; all measured in units of seconds, meters, and amount of steps) IV's: Time, ...
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546 views

Applying Rubin's rule for combining multiply imputed datasets

I am hoping to pool the results of a pretty basic set of analysis performed on a multiply imputed data (e.g. multiple regression, ANOVA). Multiple imputation and the analyses have been completed in ...
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50 views

Logistic regression, separating variable (moderator) true in population! [duplicate]

I already checked other posts in this area, but still couldn't get a fit to my issue: I have the following preconditions: Software: preferred SPSS v21, possibly R Sample size: 5655 (will get around ...
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1answer
31 views

How to find statistical significance on SPSS? [closed]

i have 3 separate variables - Depression, Anxiety and Stress - each of them have been answered as Yes or No. These were answered by Case group and the Control group. Now I need to find if each of ...
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9 views

SPSS Binary logistic regression incoherent result after excluding outliers [duplicate]

I'm using binary logistic regression for my master thesis and after running the regression for a a few specific variables I get the following resutl: Then I created a filter to run the regression ...
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78 views

Why do we ignore the main effects when the interactions are not significant in a three-way ANOVA?

I'm following an SPSS guide online, and the procedure is to first test for a three-way interaction. In my case there was no sig. three-way interaction. Then the procedure asks me to consider two-way ...
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27 views

Mediator reverses direction of causal variable. How to interpret?

I'm running a mediation in SPSS as per Baron and Kenny's guidelines (using regression). X is a dichotomous variable; M and Y are continuous. Step 1) X-->Y (r = .07, p = .03) Step 2) X-->M (r = .45, ...
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1k views

Univariate cox regression hazard ratio in SPSS

I'm currently doing some analysis for a retrospective cohort study of biomarkers in cancer patients. I've noticed that some papers have utilized univariate cox regression analysis to generate a hazard ...
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207 views

Can I create an Index score using factor scores as weights?

I am creating an Overall Customer Satisfaction Index score based off of 4 factors that comprise satisfaction for callers to a call center: A representatives concern for your needs; ease of navigating ...
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67 views

Degree of freedom in post-hoc test

I have a crucial question (crucial for a statistic beginner as me...) I have run a 2x2 repeated meausure ANOVA between subjects where I had: Factor Between: Subject Category (14 musicians/14 ...
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92 views

Interpreting interaction between time and time-varying predictor in mixed models

I have measured the DV and predictor at 2 timepoints in a single group, and am using the MIXED procedure in SPSS. I want to see whether change in the DV over time is predicted by change in the ...
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20 views

Test analysis - repeated measures

I lack the experience and can't find an answer anywhere at the moment. The situation is as follows: I would like to test a new device measuring the heart rate of a patient. For this, I have observed ...
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61 views

Data exported by Survey monkey to SPSS [closed]

I conducted my survey using survey monkey website and I had option to import data using SPSS. My question is: Are the type of variables generated during import correct or do I need to check the type ...
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128 views

Can Amos SEM deal with binary dependent variable?

Hi I'm doing a SEM using AMOS. The outcome is the success of consumer satisfaction, which is measured by 2 questions. How satisfied are you? (1-7) How likely would like to recommend ? (1-10) If ...
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70 views

Nominal or ordinal?

I've got several variables in a dataset of which I'm not really sure what type of data they are: nominal or ordinal. Context: the variables are part of a dataset in which each case a student. Of ...
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47 views

How to test time series data using principal component analysis SPSS?

First of all I am very much beginner please understand :) I've seen tutorials on how to do principal component analysis on questionnaire datas, however I cannot find any tutorial using time series ...
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54 views

Bayesian SEM in AMOS - suggest resources?

I'm looking for resources regarding Bayesian SEM estimation using AMOS built-in procedures (I have ordered categorical data). Google gives some basic resources on theory, but not so much on ...
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1answer
29 views

How do I group data based on a single variable in SPSS? [closed]

I have a large dataset with each data representing individuals. Now I need to know the average of outcome occurrences per family. I have IDs for each family and each family has a different family ...
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34 views

Logistic regression: Absolute values for P

I am stuck with a problem (actually two problems). I have a dataset of about 150 cases and 30 or so dichotonous (yes/no) parameters. I selected 6 parameters (after literature study and crosstabs) for ...
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27 views

Which test(s) to use?

I’m having a dataset that needs to be analyzed but I’m a bit worried about picking the appropriate test(s). It’s been a while since I last really used statistics and SPSS. Therefore I would kindly ...
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48 views

Is Eta a good way to calculate a relation in between interval and nominal variable using cross tabulation?

I need to figure out if the topic of an application (nominal variable with 6 categories) is associated with a certain skill category (I have 3 skill categories represented by 3 variables with interval ...
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106 views

How to interpret the direction of a covariate's effect in a 2-way ANOVA?

I use SPSS's GLM (general linear model) to analyze an data set based on a 2x2 between-subjects experimental design. The design has two factors: a). congruence (yes or no) and d). primed image ...
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48 views

Logistic regression coefficients and exp(coefficients) meaning and relationship

Suppose that we have this output for Logistic Regression: Coef EXP(Coef) X1 2.45 11.67 X2 0.40 1.449 X3 -4.1401 0.0159 Here ...
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154 views

Decision tree analysis in SPSS

I am newbie in the field of analytics so my question could be naive. I tried searching the answer before posting but could get my hands on the exact answer I am looking for. I have a simple model to ...
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29 views

How to input 2AFC data into SPSS

I've conducted some thresholding experiments using 2AFC. I'd like to input this into SPSS to run some analysis but I can't think of how to organise my variables. I mean this question as more a ...
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1answer
53 views

Manually scoring logistic regression model in SPSS? [closed]

First off, I'd like to apologize for my cluelessness, but I've come across a problem that I honestly have no clue how to circumvent. My programming skills are extremely limited, and my company uses ...
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1answer
36 views

Get Logistic regressions odds from equation result

By using logistic regression in SPSS I get an equation that looks like this: 0.1535 * X1+ -0.0002973 * X2 + -114.9 * X3 + -114.0 * X4 How do I transform the result of the equation to the odds ...
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2answers
93 views

Help on deciding how to perform a regression analysis on my data, and why? SPSS, Count model, Panel data

I am currently in the process of analyzing some data for my master thesis, however I have had little statistical teaching, and none regarding panel data regressions. My dependent variable: Count data ...
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30 views

solution for large contingency table

I have performed logistic regression using SPSS on my data with a dichotomous variable as the dependent variable with three independent variables and three covariates (they are mostly categorical) ...
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28 views

Which test to use: Mann-Whithney U or Spearmans rho or both?

I have the following question: I have a sample group, which is divided in to two subgroups: "good" and "bad" people. I have their points achieved in an IQ test. Points are grouped into 4 categories ...
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41 views

analysis of change and clustering

I want to do an analysis of change over two time points for a sample of children who move from primary to secondary school. Some children will move home, but all have moved school. Predictors: home ...
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185 views

Multiple conditional probabilities

Similar questions have been asked in this context but this one seems a bit different. [Aim] We would like to find out what the probability is of a person purchasing a 4USD column D (see below) price ...
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54 views

How to compare 3 slopes in a repeated measures Linear Mixed Model

I am running a linear mixed model with a random intercept. I have 3 groups (0, 1, 2) with a repeated measure (time) of a test score. I am comparing trajectories and since SPSS uses the last group as ...
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75 views

How to construct a composite measure using several items in SPSS?

For my master thesis, I have to do a regression analysis. But, as an independent variable, I have to construct a composite measure, being perceived importance (of interest groups). I have 9 variables ...
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82 views

Issue in Interpreting SPSS output of GLM repeated measures

I have a data set with repeated measures for each individual. That is there a re two groups, treatment and control. And each individual is measured at 3 time points. But there are missing values. That ...
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7 views

Which test to do for comparison effect context over time

I'm currently working on my dissertation, and have finally gotten to the point to where I can conduct the analyses for my hypotheses. My main hypothesis is: 'Study organizations have a positive ...
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43 views

Between groups two way ANOVA - time points as an IV

I'm looking to carry out a between groups two way ANOVA and need some help. The first IV is the group (two levels - control and intervention) and the second IV is behaviour across time (behaviour ...
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2answers
218 views

GLM with multiple imputation or mixed model

I have a data set with repeated measures with two treatment groups where each subject is measured at 3 time points.But the data set includes missing data. In SPSS if I use ...
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1answer
59 views

How to do normality test if one factor consists of 5 questions?

I have 4 independent variables and 1 dependent variable. In my questionnaire (a likert scale), each of the factors consists of 5 questions (items). How do you do the normality test in this situation? ...
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43 views

Interpret nonsignificant mediation linear regression analysis

Undergraduate psychology student here with a probably easy question. I tested a mediation hypothesis with SPSS using linear regression. I did not find this hypothesized mediation, but I still have ...
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22 views

Two way mixed design ANOVA

In the article here in slide 27 two way mixed design anova it says that the data are represented as But does this mean that the same subject is in both intervention and control groups? Can this be ...
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55 views

Interaction with Continuous Variable and Between Subjects Variable

I am trying to test the interaction between three factors: One is a within subjects factor ("Scene Component": memory scores for difference scene component types: objects vs. backgrounds) One is a ...
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39 views

Mixed effect modeling SPSS: within-individual

I’m new to mixed effect modeling in SPSS and wonder if anyone could assist me with the analysis: I have longitudinal data from one country as follows: For 20 time points [years] I have the average ...
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223 views

R-squared as criterion to choose between linear and non-linear regression

I am working in some regression models to forecast opinions based on general demographic characteristics, and I'm not sure how to choose between linear regression and curve estimation (I'm using SPSS ...
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130 views

Multinomial Logistic Regression: Redundant Parameter

I'm running a Multinomial Logistic Regression in SPSS Version 22. The Dependent variable is CameraBrand (options are B, R, or Field - B and R are observations made from the two camera brands, Field is ...