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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Measuring the value of multiple measurements

I've obtained 10 readings for a subject. If the true value is the mean of the 10 readings/observations how can i calculate how much a single reading correlates with mean of 10 readings and how does ...
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1answer
71 views

Nominal/Ordinal and scale in SPSS OLS regression

I'm running an OLS regression in SPSS and have a question about models that feature both Scale and Nominal/Ordinal variables. I say nominal/ordinal because the variables I'm looking at range from 0-2, ...
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46 views

Two-way repeated measures ANOVA

The study is blinded and every participant has to perform a 1000m cross country running test on: a) high altitude while simultaneously intaking a beet root drink b) high altitude while simultaneously ...
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1answer
69 views

How to compare coefficients in different models?

I used a binary logit regression with three different dependent variables in order to end up with three models. The dependent variables are configured with 0=no/1=yes. I use a variety of different ...
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209 views

Conditional logistic regression using SPSS

can anyone provide me with any reference that illustrates how to use conditional logistic regression using SPSS?
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52 views

ROC curve smoothening

I conducted a logistic regression analysis in SPSS which resulted with a very good model. However when I wanted to do the ROC curve, it was drawn using only three points (see figure). All the examples ...
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1answer
83 views

How to report decision tree statistics?

I need to do a formal report with the results of a decision tree classifier developed in SPSS, but I don't know how. I know there are really well defined ways to report statistics such as mean and ...
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1answer
116 views

Multinomial Logistic Regression in R vs SPSS

Apologies for re-asking a closed question [previously closed since it appeared that the R and SPSS datasets were off by one value], but now that I've had the time I have a concrete example where R and ...
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1answer
18 views

Should I use a Mixed ANOVA?

I am struggling on which type of ANOVA to use for my work, I will provide as many details below about the study design, at the moment I am thinking mixed ANOVA but im encountering some problems which ...
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1answer
36 views

Distribution of data is very separated in my graph

First post here but I am quite stuck. I plotted the date an award was given to a university, against their change in score (I calculated an index of change). It has given me this graph which i am ...
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27 views

How to prove that means are not equal in SPSS

We have several samples for which we have to prove that they don't have the same means. I showed that they don't have the same distribution and their means are much different, so I see that they are ...
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1answer
62 views

Where can I find tests that validate the output of popular statistical software? (e.g. R, SPSS, SAS)

This has been difficult to search on Google. I've looked on R's website as well. I assume there are test suites that validate that R, SPSS, SAS, et al are giving the right output for a given analysis? ...
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13 views

Query on Reliability. The Cronbach's Alpha, Study on Resilience of Vulnerable Children (CYRM-28)

I am doing a research on Risk, Protective factor and Resilience of Vulnerable Children (A study based on Children residing in the Government Children's Homes in Kerala, India). I have used Child Youth ...
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26 views

Mixed model specification problem

I have an experimental design with 2 between subject factors (0 vs 1) and 7 within subject factors (7 of 28 possible levels). I measure two scale variables (Mod ...
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1answer
36 views

I don't know how to determine the P-value for my OR.

I'm new to logistic regression.suppose i have a binary outcome (Y) and categorical independent variable (X). when i run the test on spss, for every category there is a different P value. please i want ...
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47 views

Parameter Estimates in Repeated Measures

I'm totally clueless whether I'm doing this right. What I did was the collect the following measures, it was a within subject design. I'm not sure whether to run with MANOVA or Repeated Measures ...
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1answer
75 views

Anova of metric items: SPSS and R display different square-sums and F-values. Which is the better philosophy?

With a small book-exercise with four metric variables on 10 cases (one dependent/outcome, three independent/predictor) I ran linear regression in SPSS and ...
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40 views

Significance Value is always 0 at SPSS Normality test

The histogram looks like normal very highly. But the K-S test shows the table having significance value is 0 At this case, how could we solve this problem?
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15 views

SPSS two tail t test decision

SPSS gives p value under the head two tail sig. How should one interpret. Basic rule is reject h0 if p less than alpha. I can understand due to symmetry alpha gets divided equally but does the same ...
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1answer
59 views

Estimate missing data in time series

I am currently conducting a study regarding lifelong learning in EU member states. As part of this research, I analyze several indicators for the following time series: 2007, 2011 and 2013. I have ...
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2answers
55 views

What type of ANOVA? Three types of measurement in 2 groups

I am working on an assignment where I am expected to use an ANOVA test to analyse a set of data. The data set consists of two groups, the first group is a healthy group of participants, group 2 have ...
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1answer
27 views

Count data with three response types

I administered a test to three groups of people. They had to choose the correct answer between four choices provided. Only one choice is correct and the other three are wrong answers. There are forty ...
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39 views

Merging Cases in SPSS [closed]

In my data set, I have multiple cases with the same ID, but with different values for the variable "Time". For example, I have 3 cases, all with an ID of 7, but with different Time values (1, 2, and 3)...
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101 views

Calculating the required sample size for a 2x2 repeated measures ANOVA?

I have conducted an experiment with two independent variables, each with two levels. I had one group of participants who were tested under four conditions. I have performed the ANOVA using SPSS, and ...
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39 views

how can I calculate age-adjusted z score?

I'd like to know if there's a way to calculate z-score adjusted for age in SPSS. then, I want to use age-adjusted z-score as a dependent variable in path analysis.
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62 views

SPSS Arima Model gives me straight line

I am using SPSS to forecast a time series model. It automatically gives me the best fit model using either ARIMA or exponential smoothing. When I run it, I gives me some great values for a forecast, ...
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60 views

Correlation between time series obtained from multiple subjects, SPSS

I have designed experiment in which all subjects are performing the same exact task, with no variations. The task is a tracking task in which the subject has to keep a marker inside a circle, using ...
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22 views

Newbie question: can a categorical IV be included in ANCOVA with only a couple observations in 1 group

I think this is a pretty simple question, but I have been unable to find an appropriate answer. Please help. I have identified a sub-sample of my treatment group that were taking a medication that ...
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1answer
61 views

Which statistical test to use for multiple IV's and DV's

I am conducting a study over post-concussive symptoms. I have two groups, a non-concussed group and a group who has been concussed. I will have three IV's (depression, anxiety, and neuroticism) and ...
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22 views

How to compare continuous variable and dichotomous variable and means differences

I have run an experiment on perceived size of discs in peripheral view. Participants had to adjust the peripheral disc in order to match it to a central one (fixed size). People performed the task ...
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23 views

SPSS Multinomial Logistic Regression: Change Significance (α) Level

I am currently running multinomial logistic regression (dependent variable = 4 categories, independent variable = 2 categories). I'd like to run the significance level of the model at α = 0.01 and α = ...
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1answer
103 views

2SLS for sales data (problem with IV)

I am given a task to perform an analysis on marketing data and to find out if the prices for the products and marketing budget are set correctly. In order to do it, I need to find a suitable model ...
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76 views

ARIMA(0,1,0) model in spss expert modeler

I have a set of data which is ARIMA(0,1,0) in nature. I cross checked it myself, by residual ACF and PACF. In SPSS I am seeing expert modeler is choosing Holt Winter's Additive model, but if only ...
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1answer
35 views

Mediation through multiple regression when you have 2 or more than 2 IVs

I have 4 IVs 1 MV and 1 DV. The literature i have gone through to test mediation through path analysis (SPSS) only illustrate inclusion of 1 IV 1 MV and 1 DV. Is it possible to first check undertake ...
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19 views

Stack data and using seasonal ARIMA

Data is a group of courses (40 of them), each course has a number of students with year (2000-2015, 16 years). I would like to parallel up the data so that all course forecasts are computed from ...
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93 views

SPSS - two way repeated measures ANOVA - how do I read the output and what do I report?

In most but not all papers I ve read, the F value and df was presented. But as I want to comply to the research code I also would like to report them. However, also after reading tutorials on the ...
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1answer
392 views

Analyzing constructs with multiple items in SPSS (Regression & Correlation)

I am doing a master's thesis on the roles played by Perceived Bank Image, Perceived Service Quality and Perceived Satisfaction in predicting Customer Loyalty. My questionnaire consists of several ...
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1answer
146 views

How do I compare scores on two different scales but one group?

My hypothesis is: "Women who score high on self-esteem will score low on upward comparison." I have all the data cleaned up and the total scores found for all my scales, I am just unsure what to do ...
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12 views

How should i set up a cox regression using the following variables? SPSS

I am completely unfamiliar with Cox regressions and most statistical analysis. My advisor for my undergraduate research project suggested that I use this type of regression on my data. I have already ...
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60 views

Complex Factorial Manova in R/SPSS

Hello I have been struggling for many days with this problem. The situation and data set are following. The data set comes from an experiment that asked subjects (ID) to compare several CVs on ...
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78 views

Two-stage least squares SPSS

I'd really appreciate any help anyone can give me. I have this dataset that I'm using to test X -------> Y (Firm Performance), which is moderated by my moderator M. I have a previous year's value for ...
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1answer
62 views
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92 views

MIXED MODEL - can a fixed factor be continuous?

I am using the linear mixed function in SPSS and want to determine whether a continuous variable (attendance) has an effect on the repeated measurement of my DV (<...
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1answer
57 views

Multivariate multiple regression assumptions, how to interpret findings SPSS?

I am trying to perform a multivariate multiple regression in SPSS. I have 5 independent variables and 4 dependent variables. I know it can be done in SPSS using the GLM-multivariate option. My ...
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1answer
79 views

Calculate thresholds of factor analysis output to classify data to 5 classes

Suppose that we calculate a composite indicator for some companies using Factor Analysis (FA) by combining five features to one output (calculate weights of input features). This is histogram of ...
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19 views

Multiple imputation of lungitudal, time-unstructured data in SPSS

I have a longitudinal data set of home measurements of some disease-related physiological parameters that have been sampled throughout a period of 16 months. Of course there is some degree of missing ...
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1answer
125 views

How to insert my data in SPSS for Roc curve [closed]

I want to draw a roc curve in SPSS and I don't know how to insert my data in SPSS. The data I have are: ...
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1answer
42 views

When the regression line is not linear

I performed a regression analysis with two datasets, each of which has size 50. One dataset is called Spatial % and the other <...
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25 views

On interpreting the statistical significance of R squared

I have performed a linear regression analysis to two series of data, each of which has 50 values. I did the analysis in SPSS and as a result got a table which says ...
3
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1answer
94 views

Identical VIF/Tolerance scores - Multiple regression

To begin - I am extremely bad at stats. I am running a multiple regression analysis on a dataset to predict one variable from two others. There were three independent variables(IV) before, although I ...