SPSS (Statistical Package for the Social Sciences) is a proprietary cross-platform general-purpose statistical software package.
5
votes
0answers
87 views
Balanced repeated measures design
Okay this is my problem:
I have 12 participants.
Each participant spent 3 nights in my lab doing a reaction time task at four timepoints during the night(12, 1, 2 and 3 oclock), with one week ...
4
votes
0answers
579 views
How to assess mediation effect in multinomial logistic regression?
I wonder if it possible to include a mediation effect in multinomial logistic regression. I have a categorical (3 categories) outcome variable and four predictors (all continuous). I expect one of the ...
3
votes
0answers
367 views
How do I estimate a repeated measures ANCOVA in R and SPSS?
I'm currently running a perception experiment:
DV: error (this in degrees- how much an observer was away from the real answer)
IV: the time bin (5 levels) in which the unique stimulus appeared
...
3
votes
0answers
62 views
Time series with 3 factors from different sources
I've been asked to try to do a preliminary 'meta-analysis' of some data, but while comfortable with maths I don't have much experience with stats. I'm hoping to get some feedback with what I have ...
3
votes
0answers
270 views
Questions about contrasts for MANOVA
I have a multivariate dataset with a test group and three control groups. I was thinking that the best way to determine if and how the test group differed from all of the control groups would be to ...
2
votes
0answers
35 views
What does the Scale parameter mean in linear regression?
I have started to use the GENLIN procedure in SPSS more than any of the specific dialogues, but I don't understand the Scale parameter or why it has the effects it ...
2
votes
0answers
53 views
GEE (or GLMM) in SPSS: Interpreting outputs and model selection
I am attempting to analyze my (experimental psych) data in SPSS, and I have a few questions regarding the kind of analysis I should be using (GEE or GLMM), how I should be interpreting the output, and ...
2
votes
0answers
61 views
mixed ancova or difference scores?
I am puzzled with how I should analyze the following data:
The dependent variable is respiratory sinus arrhythmia, a measure of parasympathetic activity (RSA). I have a $5\times5$ full factorial ...
2
votes
0answers
54 views
What type of Design is this?
Participants are asked to recall either a happy or sad event in their life.
Once a mood of happiness of sadness has been elicited all participants are then presented with 3 stories where the central ...
2
votes
0answers
55 views
ANOVA variable that is both BETWEEN & WITHIN
Does anyone know how / if can you treat an independent variable as BOTH a between AND within subjects variable (ideally in SPSS ANOVA-repeated measures). That is, we have a repeated measures study ...
2
votes
0answers
189 views
How to cluster standard errors (by country) using SPSS?
I'm trying to obtain robust standard errors as my regression residuals seem to be correlated... My sample data has 8 countries and I would like to cluster the standard errors by these 8 countries ...
2
votes
0answers
159 views
Mean Survival Time Cox Regression
I am new at using survival analyses. I am writing an article on differences in recidivism for an experimental and control group of offenders. Due to differences between the groups in gender, I have ...
2
votes
0answers
494 views
R vs. SPSS Kolmogorov-Smirnov test
I was recently given the following data.
7 1 6 6 2 8 3 7 4 6 3 3 1 8 4 5 9 3 2 4 1 4 4 3 6 3 4 2 3 2 7 2 7 4 2 4 4 4 3 2 2 4 5 8 6 4 3 1 5 5
I then ran a KS test ...
2
votes
0answers
212 views
Split-split-split plot cross-over design… is this even possible?
I'm doing statistical analysis on a psychology study I ran a short while ago, and I'm starting to think that I've designed myself into a corner.
In the study, we measured participants' pointing ...
2
votes
0answers
258 views
Controlling for a variable in a GEE using SPSS
I have a dataset which I think would suit GEE. I am trying to assess the relative contribution of a number of simultaneous predictors and their interactions to the intensity of hurt feelings. I asked ...
2
votes
0answers
111 views
How to do post-hoc contrasts on within factor depending on certain between groups in SPSS?
Here are my experimental factors:
within-factor (two levels): time1, time2.
between factor (four levels): 4 groups.
I want to test specific post-hoc contrasts comparing:
group1: time1 vs. time2
...
2
votes
0answers
953 views
Does anyone have experience with IBM's “SPSS Modeler”?
SPSS Modeler seems like a great tool for data mining (especially for prediction etc.) but it is extremely costly for individuals like me (around 20,000 euros excl. tax). There is also a video.
I am ...
2
votes
0answers
201 views
How to test for differences from baseline where dependent variable is non-normally distributed using SPSS?
I have some physiological measurements which consist of 4 events measured in a "during task" condition and preceded and followed by a rest period.
I want to test that the data points immediately ...
2
votes
0answers
260 views
Multiple imputation using SPSS
I am working with a database with missing data. I have done "Roderick J. A. Little’s chi-square statistic" and knew that my data are not MCAR. However, I know don't have can I determine if there are ...
2
votes
0answers
678 views
How to perform Fisher exact test in SPSS?
I've collected around 10 numbers of ants from a colony and introduced the same numbers of ants to the same colony (say Colony-1) at their entrance to see their behaviour (whether they accepts or ...
2
votes
0answers
499 views
Multiple response question with duplicated answers
I have a multiple response (categories) question (Q11, ..., Q15). My problem is that the data-entry clerck repeats the answers in the same case.
Example:
...
2
votes
0answers
348 views
Factor analysis: regression equation and residuals
I have used factor analysis with regression method. I was trying to develop an index using this regression equation by using the output of the component score coefficient matrix (SPSS) generated for ...
2
votes
0answers
386 views
Problem with casewise list in logistic regression
I am using binary logistic regression to test this model:
logit(ρ1) = α + β1(INDDIR) + β2(INDCHAIR) + β3(BOARDSIZE) + β4(DIRSHIP) + β5(MEETING) + β6(EXPERT) + β7(INSTI) + β8(DEBT) + β9(LnSIZE) + ...
1
vote
0answers
19 views
MR with dummy variables
I need to calculate MR but my data consists of many dummy variables. I had a question in my survey that asked for the budget/month. But instead of giving the option to fill in a value, I offered ...
1
vote
0answers
23 views
Test regression parameter against a constant in SPSS
This is a pretty basic question, but I can't find an answer by searching for different statements of the same problem.
Is there a straightforward way to test if a regression parameter is different ...
1
vote
0answers
25 views
Regression with some associated ordinal dependent variables
I have some associated categorical dependent variables that are ordinal in nature (with 4 or 5 categories). If I want to see the effect of a set of independent variables (which can be both continuous ...
1
vote
0answers
96 views
Which statistical test should i use? pre-post intervention comparisions and post-post comparisons
In my experiment I compare the jump height of participants pre and post 2 separate interventions.
All participants completed baseline measures of jump height. Participants then underwent a training ...
1
vote
0answers
58 views
Statistical analysis of sequential questions in SPSS
I am analysing a questionnaire using SPSS, but I do not know how to analyse ranking questions or questions where response from one question is used to answer the next.
Can anyone help please?
1
vote
0answers
106 views
Repeated measures ANOVA: Mauchly's test undefined
I'm doing a two-way between-within ANOVA in SPSS. I have two groups with 9 subjects each (so total = 18), and 24 levels of one repeated measure.
I understand why Mauchly's test of Sphericity has no ...
1
vote
0answers
69 views
What statistical methods to use for analysis of a scenario questionnaire?
I've produced a questionnaire with 3 parts, demographics, attitude questions, and then a final section on particular scenarios. I'm looking to analysis people's response to the scenarios - as in what ...
1
vote
0answers
142 views
Mixed model repeated measures, nested
I have a study in which I have 3 groups of crews (4 crews in each group) in
which there are two people (L/R). Each crew experienced 4 lighting treatments (D1-4),
once in one position, and again in ...
1
vote
0answers
119 views
Very high correlation between two variables in SEM as compared to SPSS
I am testing a model which involves three variables. I am testing a partial mediation model.
In SPSS, when I calculate bivariate correlation among these three variables, the maximum correlation (say ...
1
vote
0answers
172 views
Effect sizes from LMM
My question is, how to get effect sizes for a linear mixed model?
I am using the following model in SPSS:
...
1
vote
0answers
102 views
A model with binomial data?
I have a set of data to analyze and I would welcome some ideas.
I have a series of indepedent observations when a call was produced by individuals. Each observation includes the ID of the caller, and ...
1
vote
0answers
245 views
Entering panel-data (cross-sectional time-series data) into SPSS
I don't know how to enter pooled data (I have data about 42 countries over 7 years per variable) into SPSS and then run a regression.
So far, SPSS does not assign the observations to a certain ...
1
vote
0answers
141 views
Interpretation of very small GEE Interactions
I have multiple GEE models predicting learning scores from the interactions of psychophysiological data of subjects, e.g. features of Electroencephalograph (EEG), respiration, etc., in a 2 condition ...
1
vote
0answers
168 views
Help on Regression Analysis (ROC, multinomial)
I am currently looking at continuous data and seeking a correlation with the presence (and severity, ie, normal, mild, moderate, severe) of a disease entity. Now, so far, running Spearman on SPSS, ...
1
vote
0answers
244 views
Mixed linear model with repeated measures in SPSS
I'm trying to run a mixed linear model analysis with SPSS. When I try to run the analysis, SPSS gives the following error message: ...
1
vote
0answers
405 views
Differences between Stata & SPSS in multiple regression outcomes
I'm a graduate student working on a thesis whose aim is to test complementarity between 2 practices (CI and INNO, according to theory of supermodularity). To do so, I calculated two new variables ...
1
vote
0answers
424 views
Difference between MANOVA “post-hoc” tests of between subjects effects and between subjects one-way ANOVA?
When I run a 2x4x5x6 (Sex*AgeGroup*HighestDegree*Ethnicity) MANOVA (with 20 dependent variables) in SPSS, it presents tests of between subjects effects for each of the IVs and their interactions after ...
1
vote
0answers
250 views
Segmented time-dependent covariate
I'm performing the cox regression analysis, where I have the model with 1 time-independent (treatment (yes/no)) and 1 time-dependent predictor (blood pressure level).
Outcome is death (yes/no). Time ...
1
vote
0answers
207 views
non-collapsed data - repeated measures mixed ANOVA
I have to analyze results from an experiment and I’m not sure about how could I do it… The experiment is about the effect of some particularly distorted image typology on response time.
The design is ...
1
vote
0answers
178 views
Aligned rank transform on time series data
I have some time-series data that I wish to test to see if a certain factor has an effect. There are few samples per time step (10 on average), but the whole time-series has 306 samples. When divided ...
1
vote
0answers
122 views
How do I test to see if the demographic proportions between two unequally sized groups are statistically different?
Sample of 102 broken into two groups based on a factor of interest
Group 1, n=77
Group 2, n=25
Trying to figure out how to test if the demographic (age, race/ethnicity, gender, education level, ...
1
vote
0answers
362 views
How to classify new cases in discriminant analysis exactly as SPSS does?
What I have:
There is one base with already classified cases. There are 23 independent variables that were used in this classification and 10 groups.
Another base has new unclassified cases. There ...
1
vote
0answers
364 views
Heteroskedasticity, autocorrelation robust standard errors for SPSS
Is there a way of performing HAC robust standard errors in SPSS?
1
vote
0answers
323 views
Fitting generalized linear model with covariate
In our experimental design, we are assessing the effect of TMS on decision making. Our data is not normally distributed because our assesment test results in mean count data (ultimatum game). Besides, ...
1
vote
0answers
2k views
How do you report Kruskal Wallis one way analysis of variance and post hoc results following APA 6th standards?
How do you report Kruskal Wallis One Way Anova and post hoc results according to APA (American Psychological Association) 6th ed. standards? I have tried to find a template for reporting the results ...
1
vote
0answers
993 views
How do I run a Mixed Model repeated measures analysis in SPSS to evaluate intervention effect while controlling for school?
I am trying to evaluate the effect of an intervention. I have a group-randomised rct design and have established that I have a design effect and therefore need to control for school. So far I have ...
0
votes
0answers
19 views
Compute Hedge's g in SPSS syntax
I've got a bit of a problem with an SPSS syntax which I'm not sure it does what I actually want it to do. It's adapted from the calculation of the d effect size (Andy Field's macro) and I've included ...
