SPSS (Statistical Package for the Social Sciences) is a proprietary cross-platform general-purpose statistical software package.

learn more… | top users | synonyms

0
votes
1answer
22 views

Need help in determining what tests to run in SPSS

I'm trying to find out whether there are any relationships between variables in my data set from Pew. I have two independent variables and one dependent. My first independent variable comes from a ...
0
votes
0answers
15 views

How to correlate scale and nominal variables in SPSS? [duplicate]

I want to run a test in order to identify if there is any correlation between the length of in-hospital stay (Scale) and the kind of the procedure (Nominal with three options; abdominal, cardiac and ...
0
votes
0answers
155 views

Choice based conjoint with SPSS

Is it possible to run a Choice Based Conjoint analysis (preferably with also no-choice option) with SPSS? Do I need a particular package for that? if not possible with SPSS is it possible with Stata? ...
0
votes
2answers
1k views

How to analyze my Likert-scale data

I am collecting data from a group of about 189 police officers on a 5-point Likert-Scale (measuring how much the police officers accept rape myths). I have no idea which tests to use to analyse my ...
3
votes
0answers
184 views

Q: Exploratory factor analysis in R

I am trying to do an exploratory factor analysis (EFA) in R with oblique (promax) rotation. From Wikipedia, In oblique rotation, one gets both a pattern matrix and a structure matrix. The ...
3
votes
1answer
70 views

Post-hoc after GLM: What does it exactly say?

Background: I have been asked to model the change of weight of a few animals undergoing experimentation via a simple GLM (General Linear Model). The data looks something like this. Note that all data ...
0
votes
0answers
51 views

Perhaps easy about SPSS Chi Square and Bonferroni

Oh hello. I just have entered here. Best place for my question. Sorry for that question in other site's part. :) So perhaps it's easy question, but I encounter this problem first time. I go ...
1
vote
0answers
30 views

Multiple, multiple regressions?

I have done a study on whether personality and demographics predict interaction on Facebook brand pages. I have used a Big five personality scale and the demographics include, sex, age, marital ...
0
votes
0answers
91 views

Post-hoc with Bonferroni a correction after ANOVA with repeated measure in SPSS

does somebody know where I can find the t value of post-hoc tests with Bonferroni correction when using SPSS.From what I get so far, I only see p values. Should I add a command in the script? Thank ...
0
votes
0answers
38 views

SPSS: How to split distribution evenly to analyze subgroups

I have a normally distributed SPSS dataset with 1400+ cases. I want to create sub-groups based on "age in months" that are distributed evenly. The dataset ranges from 12 to 60 "age in months". ...
0
votes
0answers
61 views

How use standardized regression coefficient in analyzing Likert scale questionnaire to calculate the weight of each factor?

I have a Likert scale questionnaire of 5 scales (from not important at all to very important) and i want to analyse this questionnaire to find out the weight of each factor. and then get to a maturity ...
1
vote
1answer
291 views

SPSS - Calculation of confidence intervals in estimated marginal means of repeated measures ANOVA

I used SPSS to do a repeated measures ANOVA including one within- and one between subject factor. Let's say the between-subject factor is treatment group with levels treatment and control, and the ...
0
votes
1answer
30 views

Retrain Time Series Models

I'm new to TS modeling, but have some experience in classic classification modeling. In classification I can train one model and use it for some time while some indices are stable (e.g. PSI). ...
0
votes
1answer
53 views

Likert scale and binary logistic model

If independent variables are measured in 5-point Likert scale and dependent variable is dummy, then can I apply logistic regression model here? How independent variables are put in SPSS?
0
votes
1answer
45 views

Formatting Time-series data for Cross-correlation

In an experiment we measured 100 response times for each subject. The data has the following format: ...
0
votes
0answers
103 views

Specifying interaction contrasts for within x between terms in SPSS

I am trying to analyse a dataset with 3 groups of subjects and one repeated measure with 6 levels (accuracy at identifying 6 different emotions). I am using the GLM command from SPSS to do this, which ...
0
votes
0answers
17 views

Apache Math package? OnewayANOVA

I am wondering have anybody used the Apache Math package to calculate the ANOVA scores? I didn't use SPSS as this can be incorporated into my JAVA code and is really light-weighted. Here is a link of ...
0
votes
0answers
46 views

Adding in L2 predictor in GLiMM fails even though ICC is high

I'm using SPSS GLiMM to run a repeated measures logistic regression model. Research Qn I'm interested to know if a MP is more likely to make a particular response (e.g., apology, challenge, denial) ...
2
votes
0answers
46 views

What to do with a construct item with low factor loading for one group but seems fine for other groups?

I have tested four types of advertisements on four groups. Each group was only given one type of advertisement. The following is two examples of the construct items used on 7 point scale in the ...
1
vote
1answer
80 views

Multiple Regression with Categorical Predictor Variables of More than Two Levels

I'm planning on running a hierarchical multiple regression. In the first step, I would like to enter demographic characteristics, second step continuous predictor variables of interest, and third step ...
0
votes
0answers
39 views

MANOVA on long data format

I need to run repeated measures MANOVA on long data format (the format was created to derive a categorical variable that is needed to be used as IV). Running RM MANOVA on long data format using a ...
0
votes
0answers
30 views

How the quality of clusters made in SPSS can be evaluated?

How the quality of clusters made in SPSS with the method "Two-step clustering" can be evaluated? Which test should be applied to be sure that the quality is good.
0
votes
0answers
16 views

Covariate not appearing in binary logit output SPSS

I have 52 covariate predictors for a binary logistic regression in SPSS, and each time I run the regression the last covariate doesn't show up in the output (regardless of which variable it is). Is ...
0
votes
1answer
63 views

Multiple Correspondence Analysis: SPSS treats 0 as missing value in indicator matrix

I have a data set with several ordinal variables. In order to perform a MCA I've learned that the data must be structured as an indicator matrix. E.g. I transform the 3-level variable knowledge into ...
0
votes
0answers
20 views

Oral glucose tolerance test, comparing treatment groups over time SPSS

I have performed Oral glucose tolerance testing on 4 treatment groups (Control, Light exercise, medium exercise and high exercise) in which I took glucose readings at baseline, 30min, 60min, 90min and ...
1
vote
0answers
29 views

Significant difference within line set and between two sets of lines

For my research a person has walked on a treadmill which contains two pressure plates: One below the left foot, one below the right. I would like to compare the force in the z (downwards) direction ...
-1
votes
1answer
44 views

HELP: How to compute a mean for specific cases, NOT the entire dataset! [closed]

I am trying to compute a mean of several variables for just two cases, rather than compute the mean of several variables and include all the cases in the dataset. How does one do this? Thank you for ...
2
votes
1answer
103 views

Statistical test for repeated measures ANOVA with covariates

We have 10 participants who have undergone a cold pressor test (for pain) in 3 conditions (no drug, drug A, drug B). It is a repeated measure design. The stimulus is continued for 1 minute after they ...
3
votes
1answer
566 views

Question on SPSS Mantel-Haenzsel conditional independence output

SPSS provides these three statistics as output for the crosstabs command STATISTICS=CMH(1): Tests of Homogeneity of the Odds Ratio Tests of Conditional Independence Mantel-Haenszel Common Odds Ratio ...
0
votes
0answers
74 views

mixed design and simple main effect analysis in SPSS

Hope someone can help me. I have a within subject variable (Question, with 11 conditions) and a between subject variable (stimulation, with 3 conditions). I did an ANOVA and I obtained a main effect ...
0
votes
0answers
181 views

Identifying multivariate outliers in a large sample with missing data, using SPSS

I'm a psychology PhD student doing analysis on a relatively large set of data, obtained via online surveys. The purpose of the study is largely to determine normative data for a population of adults, ...
0
votes
0answers
58 views

How to calculate correlation between two independent sets of ordinal variables from an online survey through SPSS

I have a survey conducted. Each responded has answered two sets of ordinal questions. Positive answers in one set would normally be reflected as positive answers to other set. I need to find the ...
0
votes
0answers
58 views

Getting the 1 and 3 years overall and progression-free survival (OS&PFS) and their p values in SPSS

I have a cohort of 300 subject divided into two groups (e.g. chemo y/n). The Median follow-up is 18 months (range 1-87). There were 45 deaths so median survival was not reached. I have compared ...
0
votes
1answer
35 views

Time dependent covariate SPSS

I am attempting a time dependent covariate analysis using SPSS but end up running into some difficulties. This is the first time I am trying it using SPSS so would appreciate some advise or direction. ...
3
votes
1answer
148 views

Weighted cases in a cluster analysis for cases in SPSS

I am conducting a cluster analysis (of cases) for a database which has weight attributed to the individual cases to ensure that it mirrors the general population in terms of sociodemographic ...
0
votes
1answer
402 views

optimal binning in R

SPSS has an optimal binning function that helps categorizing into meaningful intervals continuous predictors when a binary response variable exists. I was looking for an equivalent function in R but ...
0
votes
0answers
74 views

Is my sample suitable for elastic net? What are the assumptions?

I was hoping to use multiple regression to identify significant predictors but I have a tiny sample size (group 1 n=9, group 2 n=37) so I'll be unable to do this. I have read that regularisation ...
0
votes
1answer
28 views

Need help with deciding on statistical test for three separate instruments

So I am trying to analyze my data. I used the following scales: Brief RCOPE, the Brief Multidimensional Measure of Religiousness/Spirituality (BMMRS), and the Satisfaction with Life scale (SWLS). They ...
1
vote
0answers
25 views

SPSS Bootstrapping Medians - Two Groups Over Time

I am evaluating the effects of two different teaching methods for chest compressions during CPR over time. I have four sets of data: a control and study group compressions per minute on the first day ...
0
votes
1answer
49 views

How to test for differences among 3 treatments pre & post, all within subjects?

I want to compare the changes in blood pressure occurring following 2 anesthetic drugs. So in a crossover design, each participant comes for 3 sessions and gets either of placebo, drug A or drug B on ...
1
vote
0answers
116 views

Bootstrap robust regression

I'd like to do a robust hierarchical regression using bootstrapping because regression diagnostics indicate that assumptions of ordinary regression have been violated. I've made a start using the ...
0
votes
1answer
683 views

How to interpret the output of Cox regression with categorical nominal variables in SPSS?

When I enter a nominal categorical variable as independent variable into the Cox regression procedure, SPSS gives cloaked results. It just reports something like the following: ...
0
votes
1answer
246 views

CHAID decision tree - Binning continuous variables

I am running a CHAID classification tree on SPSS to classify my data set. I have a couple independent variables including categorical and continuous ones. For continuous variables, I've noticed that ...
0
votes
0answers
106 views

Check homogeneity of variance for linear mixed model in spss

I ran a linear mixed model (LMM) for my nested data and would like to check for the homogeneity of variance assumption. As there is no a button for checking the homogeneity of variance at the LMM ...
0
votes
1answer
42 views

Wilcoxon Rank Test or T-Test? [duplicate]

What data analysis is better? or fit for my data? I've used Likert scale for my questionnaire (1-5) and I have 387 respondents. Wilcoxon Rank Test or T-Test?
1
vote
0answers
329 views

Relative weights in regression analysis in SPSS: Matrix-approach vs. factor and regression

I am trying to perfome a relative weight analysis as described by Johnson (2000). I have 13 predictors to a more general indicator. Initially, I started by: running a principal component analysis ...
1
vote
0answers
45 views

What are F values of the canonical functions in discriminant analysis?

Recently, I read a paper (Pell et al. 2009) in which the authors use Discriminant Analysis, and I quote: The discriminant analysis produced three significant canonical functions (Function 1, ...
0
votes
0answers
46 views

How can I calculate power in SPSS

I have 4 different groups and i want to look if the means significant differ from each other but before that i want to know if the power in every group is high enough. How can i calculate the power ...
0
votes
0answers
60 views

Data structure for Inverse Cumulative Distribution when columns are *NOT* separate variables

I am trying to structure data to conduct a Frequency analysis and output an Inverse Cumulative Distribution histogram for a biomechanics study. The goal is to compare 4 devices with respect to their ...
0
votes
2answers
58 views

Help with regression

I have a dichotomous variable, "know" and "not know". This refers to a participant knowing the meaning of a word or not. Then I have another variable as "fixation duration" which is continuous. I ...