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

learn more… | top users | synonyms

1
vote
1answer
14 views

Different output for cox regression in R vs SPSS

During my analysis that I perform with a collaborator we get consistently different ouputs in cox regression between R and SPSS. Betas and p-values differ minutely, usually somewhere in the third or ...
0
votes
0answers
9 views

Wonky results from basic IF AND OR Syntax in SPSS [migrated]

My SPSS Syntax code below does not produce the results intended. Even when reason is equal to 15 or 16, it will flag ...
0
votes
0answers
6 views

Problems facing in fitting ordinal regression model on life satisfaction data

While running an ordinal regression analysis of life satisfaction data SPSS, I got the following warning: There are 148 (65.8%) cells (i.e., dependent variable levels by combinations of predictor ...
0
votes
0answers
3 views

Some dependent variables repeated and others measured at one time

I am running a one-way repeated measures ANOVA where I have three variables that are collected at two time points and four dependent variables that were only measured at the end. I can't figure out ...
0
votes
2answers
25 views

Need help double checking results of Binary Logistic Regression in SPSS

I'm working on some of my analysis section for my Master's Thesis in MPA, and while I have consulted my professors, I'd just like to double check with some external eyes (As obviously they are on my ...
0
votes
0answers
10 views

Statistical test for unordered repeated measures under same conditions

I am unable to find the correct statistical test for the following scenario. We have a recording session with 4 subjects. For each subject, we make 8 recordings in 2 different speaking styles, let ...
0
votes
0answers
15 views

what statistical test should I use for my quasi experimental study?

I am conducting a pre and post test questionnaire for my quasi experimental study. I am using two groups one group will receive training the other will not. I will only have about 24 participants. I ...
0
votes
0answers
26 views

Using and Interpreting Moderated Mediation with PROCESS Macro

I'm trying to look at a moderated mediation analysis using the PROCESS macro in SPSS, but there are several ways I could do this and I'm not sure what would be best or how to interpret the results. ...
0
votes
0answers
9 views

Multiple Regression: 3 groups for IV, post-hoc equivalent?

I would like to test the following: DV - Brain volume IV - Participant Group (Patient with Mild Symptoms, Patient with Severe Symptoms, Controls) Covariates - Age, Gender, IQ I wish to use ...
0
votes
0answers
21 views

Relationship numerical and categorical multiple response sets in spss

The situation is the following, I have two sets of data: one numerical set of data (answer to the question "How important is this to you?" 1=little, 2= medium, 3= very) one set of categorical ...
0
votes
0answers
47 views

Hessian Hell: Why won't this converge

I want to track and compare within-subject trajectories of performance over time in study (TIME) on three within-subject task conditions (task_index) categorical variable. I am using ID as my subject ...
0
votes
0answers
6 views

How to use Little's MCAR test with multiple scales?

I'm using SPSS and have a data set which includes lots of different scales and there is missing data across all of the scales. I want to know if the data is missing completely at random. I intend to ...
1
vote
0answers
14 views

Survival prediction with messy longitudinal data

I'm a doctor, and I'm starting to get the feeling that I am rather out of my depth with a project I'm currently working on. I'd appreciate any pointers towards the correct approach, further reading, ...
0
votes
0answers
8 views

What test should i use in SPSS to check relationship? [closed]

i want to check relationship between variables in my data some of my questions are on 6 point frequency scale and the remaining are on 5point likert scale what test should i use in spss analysis and ...
0
votes
0answers
9 views

quick dumb question spss GLM intercept only [closed]

really dumb question -- SPSS asks me if I want an intercept only model: No effects have been specified. Therefore, an intercept-only model will be fit. Do you want to fit an intercept-only model? ...
0
votes
1answer
14 views

Evaluating which factors influences a questionnaire scores

i have this problem to solve. I have a questionnaire of 19 questions, each one has 3 options, and only one for each is correct and it scores 1, while the others scores 0. Thus the max score will be ...
0
votes
0answers
11 views

How important is normality assumption for a two-way repeated measures ANOVA?

I want to use two-way repeatead measures ANOVA. The dependent variable is CRP levels in three different time points in five different group of patients. Each group includes 40-42 patients, so that ...
1
vote
0answers
24 views

Explaining the results of Binary regression

I have implemented binary regression in SPSS using Forward:LR as the method. For all results are available in output what should I use to explain the results of model and see which variable is the ...
2
votes
1answer
12 views

mediation hypotheses

I am examining a loyalty program's (LP) effectiveness on customer loyalty across members and non-members. I first hypothesised members will perceive higher levels of switching costs (SC), and exhibit ...
0
votes
1answer
39 views

non equal variances alternative for kruskal wallis anova

I have a dataset with a total of about 6 groups set up, and there is a minimum of n=150-200 samples per group. Now when I look at the data, its not normally distributed, and the variances are not ...
0
votes
1answer
24 views

Chi Square Statistic - Which variable should be defined as the dependent variable?

I am stuck with this very basic question which I need to answer using SPSS for the problem set pasted in cursive below. Any pointers in the right direction would be very much appreciated. Thank you. ...
-1
votes
0answers
17 views

get constant LDA in R from SPSS result [duplicate]

I tried discriminant analysis with lda() in R and in SPSS. data: ...
-1
votes
0answers
22 views

Which test is the best one for my research questions?

Does anyone know which test is the best one for my data analysis. My research questions are: How do firms’ capabilities affect its solution business model How do firms’ capabilities affect its ...
0
votes
0answers
17 views

Different Odds ratios in SPSS [duplicate]

I've got a dichotomous dependent variable = 5 year overall survival (dead=0, alive=1) and I've got a dichotomous independent variable = presence of inguinal metastasis (none=0, present=1). When I run ...
1
vote
0answers
11 views

Reporting Results from a Mixed ANOVA

I have done a Mixed ANOVA on some data from a tennis serving experiment and am slightly confused on how to report the results. I am comparing the effect of self-talk (either instructional or ...
0
votes
0answers
11 views

Methods of Spend Outlier Detection

I'm looking to formalise some logic behind outlier detection for spend categories of survey respondents during a trip or event (e.g. accommodation, meals, shopping, etc). Distributions are zero-heavy, ...
2
votes
1answer
88 views

Why are discriminant analysis results in R (lda) and SPSS different?: Constant term

I tried discriminant analysis with lda() in R and in SPSS, but the scalings were different, why? N, how to get (Constant) with R like SPSS result? data: ...
2
votes
0answers
42 views

Computation of factors after factor analysis

I have run a principal axis factor analysis and I want to form scales for each factor. To be more specific, after having run the FA, I would like to select all items that load in a specific factor and ...
1
vote
0answers
25 views

Back transforming reciprocal transformation for difference between means

Say I have the following datasets which concern normalised masses like this: Set 1: 3.08, 2.79, 3.62, 2.62, 2.85, 2.45, 2.80, 2.62 Set 2: 3.25, 3.14, 3.30, 3.13, 3.19, 3.17, 3.35, 3.35, 3.82, 3.13 ...
0
votes
0answers
34 views

What statistical test should I use for binary data?

I am a slightly complex dataset, so I'll describe, I looked at medical visits from 2013 to 2014 and compared them to medical visits from 2013 - 2014. I documented each visit as a unique encounter. ...
0
votes
0answers
22 views

Measuring correlations between 10 nominal variables in SPSS

I am trying to find out how I should measure correlation between the answers to 10 nominal variables (with 0 and 1 as only answer options) at the same time. I can't use cross tables for this because ...
0
votes
1answer
22 views

T-test: is the difference of the means in my sample's two subgroups equal to a given difference of means?(SPSS)

I've recently reread the section about t-test, comparing means in two independent subgroups and know the formula, how to compute the t-coefficient. Now I'm facing the question, whether the difference ...
0
votes
0answers
47 views

Poisson Distribution Analysis in SPSS - Nonparametric, count, repeated-measures data

In relation to a recent post about what analyses to conduct for a data set, I am now asking a related question about the test to run in SPSS. Background information on the data: Repeated measures ...
3
votes
1answer
107 views

Non-normally distributed data - Box-Cox transformation?

I have data that is not normally distributed. The problem seems to be that there are too many of one value relative to other values. What I have tried to make data normal: I have tried a log ...
2
votes
0answers
12 views

What is the best method to statistically test two areas?

I am investigating the difference in childhood obesity rates between Dudley and Brighton & Hove. These areas have similar deprivation rates but very different childhood obesity rates. I am looking ...
0
votes
0answers
8 views

How to analyse skewed and unskewed data on SPSS?

Study design: I have shown participants a series of photos of themselves vs. other people's bodies (original and manipulated), and asked them to find the original. Their responses were recorded and ...
0
votes
0answers
11 views

SPSS Repeated measure T-test for calculating efficacy of burning arrows

I was curious how effective the burning vs normal arrows are in the PC game Medieval II against heavy and light infantry. I have recorded some data in SPSS but now I cant get it to do a repeated ...
0
votes
0answers
16 views

Finding the Significant Differences (with p-values) in a 4x2 Chi-Square Table Using SPSS

In short, I would like to learn how to discover where the significant differences lie within a 4x2 Chi-Square table and report the significant findings with a p-value, preferably using SPSS. Setup: ...
3
votes
2answers
51 views

How do I change logarithmic scaled data to linear scaled data?

I am using decibels for my research, and I was told by someone that I cannot perform any statistical analyses on these measurements other than basic descriptive statistics because the data are ...
1
vote
0answers
33 views

How to analyze skewed and unskewed data on SPSS?

Study design: I have shown participants a series of photos of themselves vs. other people's bodies (original and manipulated), and asked them to find the original. Their responses were recorded and ...
0
votes
0answers
6 views

Two-way ANCOVA with count data— Poisson model in SPSS

I am attempting to compare the number of eating episodes by gender and diagnosis (4 levels), adjusting for BMI and age. I am assuming that a Poisson model would be preferred over a factorial ANCOVA ...
0
votes
0answers
14 views

Pearsons Chi Squared and z-score question [duplicate]

1) I have a list of who is short or not in a group(by using binary 0,1).I also have a list of where each case is located in region. If I do crosstabs for the calculate the percentage of short(1) in ...
0
votes
1answer
64 views

What type of regression model do I need to use?

I am looking at the relationship between the two concepts of psychological strategy (PS) usage and athlete engagement (AE), looking to see if PS predicts AE as a whole and if certain subscales of PS ...
0
votes
0answers
21 views

Conjoint Analysis - How they do it?

Theoretically what I know that, for doing Conjoint Analysis I have to make a list of all the possible products with five different features utilizing all the combination of different levels (see ...
1
vote
0answers
11 views

How to model a scale and its component subscales

I am investigating the use of psychological strategies (PS) and athlete engagement (AE) in soccer players and what to predict if global / whole PS predicts AE as a whole using SPSS. I also want to ...
0
votes
1answer
20 views

How to run repeated-measures ANOVA when data points per subject vary?

I am attempting to run statistics in the following scenario: I have a list of hospital visits by approx. 60 patients to the emergency room. Each patient gets an EKG done of their heart, and I have ...
0
votes
0answers
15 views

Contrasts / Post Hoc Tests for three way repeated measures ANOVA

I have three factors A B and C with 2, 2 and 3 levels. A and C have significant main effects, B is not significant, interaction A*C is significant, the others are not. Now I want to know how to ...
0
votes
0answers
27 views

Pearsons Chi Squared and z-scores question

1) I have a list of who is short or not in a group(by using binary 0,1).I also have a list of where each case is located in region. If I do crosstabs for the calculate the percentage of short(1) in ...
1
vote
3answers
62 views

Cohens d effect sizes

I'm using Cohens d effect sizes as a means of providing a magnitude based inference in a study I'm conducting. I just wanted to clarify if I'm correct here: Anything between .0 and .2 is small. ...
1
vote
1answer
27 views

How to deal with different outcomes between pairwise correlations and multiple regression

I have different results from a correlation table and a multiple regression model. I know that it is an effect of multicollinearity because correlations up to $.474$ exist between predictors, but this ...