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

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12 views

Which plot do i need to use to show my data?

I've checked for which X and Y we get which binary value of another variable. I want to plot these X and Y as axes and show the boundary - a line under which the binary value is 0, above it it's 1. I ...
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15 views

Plotting results of mixed design ANCOVA SPSS [on hold]

I conducted a mixed design ANCOVA with group as between subjects factor, trial type as within subject factor, and IQ as a covariate. I'd like to represent the results of the ANCOVA in a scatter plot, ...
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8 views

SPSS Output - MANOVA & Measurement Items

I'm desperately trying to produce the following outputs in SPSS (Manova & Measurement Items): For the measurement items, I've also been asked to include a column with the cronbach alpha's ...
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13 views

Why would standardized betas be high (e.g. .66) but non-significant in moderated regression?

Running a moderated regression using PROCESS macro in SPSS (issue replicated by running the same moderation using mean-centered variables in SPSS linear regression command box), I am finding that the ...
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18 views

How to convert World Fertility Surveys 1975’ raw data-DAT files into a set of Stata dta files [on hold]

How to convert World Fertility Surveys 1975’ (for Pakistan) raw data-DAT files into a set of Stata/SPSS data files. I have found this link but this didn't work Turning the World Fertility Surveys’ raw ...
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11 views

Component score covariance matrix [on hold]

What does the component (factor) score covariance matrix in PCA or FA explain?
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9 views

ANCOVA model with non-significant variables performs better?

I'm running an ANCOVA test with 2 dichotomus and 1 ordinal variable as fixed factors and 2 continuous variables as covariates. I was advised to remove any non significant factors because with them ...
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23 views

SPSS Spearman test, how to determine significance?

I did a Spearman test on 2 ordinal values (likert scale), my hypothoses are as follows: Null Hypotheses: There is a correlation between participants who view images as an important tool and ...
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18 views

Factor Analysis - Rotated Component Matrix Error

I haven't got good English but i have a problem: (for my master thesis.) I did factor analysis, deleted 4 questions and the most lower points are: ,392 and ,393. So, i go on and deleted 0,392 ...
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14 views

SPSS - Using K-means clustering after factor analysis [migrated]

I am a developer that has been tasked with working out how previous results using SPSS were gathered, so we can repeat the process with some new data. We can't ask the person who did the original ...
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17 views

Any other way to report convergent and discriminant validity of the instrument?

After Cronbach test on data received from answering to questionnaire that is available under the link: ...
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17 views

Beta Regression for Multilevel / Hierarchical Linear Models in any Statistics Package?

I would like to run a (if possible zero-one-inflated) beta regression in a multilevel model with three layers. So far I have not been able to find any programs or packages that would support such a ...
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1answer
23 views

How to process Binomial-Binomial data on SPSS for hypothesis testing?

There are 2 groups of 100 pregnant women: the first are malnourished and the second are well-nourished. A COHORT research is being done on them to determine if malnutrition is a risk factor for low ...
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17 views

Interpretation of Bootstrapping's Result

i am currently doing my final thesis and in need for help. I am using Bootstrapping to identify the indirect relationship of celebrity endorsement (CE) to purchase intention (PI) with brand image (BI) ...
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47 views

Log Transformation

I am planning to run a 2x2x3 repeated measures ANOVA on reaction time data pre and post treatment. However, my data is skewed and I wanted to do a log transformation but have few questions. Can I ...
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43 views

Is weighing cases allowed/necessary for the Kruskal-Wallis and its post-hoc tests?

I have a dataset where I have respondents from 3 different countries (USA, NL & DE) and use the Kruskal-Wallis to determine if there are any statistically significant differences regarding ...
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30 views

chi square for trend - SPSS

I have followed fourth-year university students for ten years, recording their attitudes to a particular lecture. The outcome is binary (good-bad). I have 10 rows and 2 columns, meaning year and ...
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36 views

How to find a correlation with only two observations?

I did an A/B test and I have the data for the likeability of two ads and their click-through rates: Ad 1 Likeability = 2.5 Ad 1 Click-through rate = 0,015 Ad 2 Likeability = 5 Ad 2 Click-through ...
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23 views

Is there moderator or not? Centering and unsignificant b

I am trying to check if the relationship between X and Y is a moderated by M. Here is my model: Y = b0 + b1*X + b2*M + b3*X^2 + b4*X*M + b5*X^2*M where X - independable variable, M - moderator, Y - ...
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8 views

Investigation of X on time 1 has an influence on the change of Y between time 1 and time 2

I would like to investigate if X on time 1 has an influence on the change of Y (= absenteeism) between time 1 and time 2: does X on time 1 increases or decreases Y on time 2 controlled for Y on time ...
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5 views

Pooled results missing from GENLINMIXED multilevel analysis of multiple imputation data

I am running a multilevel analysis with the GENLINMIXED command (Analyze>Mixed Models>Generalized Linear Models) on a set of multiple imputation data. The data file was generated by the Multiple ...
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1answer
36 views

How to combine different questions of questionnaire into a single variable?

I have used a 48 item questionnaire - a Likert scale - with 5 points (strongly agree - strongly disagree). The questionnaire contains 6 categories and each category has 8 questions. 8 items correspond ...
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1answer
48 views

Cronbach's alpha: dependent and independent variables [closed]

When I listen / read manuals on how to measure Cronbach's alpha, none of them mention how to deal with independent and dependent variables ( variables Role in SPSS). Could someone advise if it is ...
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9 views

comparison of Akritas et al's & McKean et al's nonparametric ANCOVA models & script of Akritas' model

I'm currently analysing the results of a pretest-posttest experiment with a categorical independent variable with four levels (three treatment groups and a control group) and a continuous dependent ...
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12 views

How to formulate my design in method section

Before they do the experiment they have to fill in a questionnaire to measure their social motive. My actual experiment is about noise vs. no-noise / reward vs. punishment (within subjects). So it's ...
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28 views

Computing a single regression line with confidence intervals for multiple regression lines

I have multiple regression lines for individual groups (predicted values stored in a data set). I want to compute a single overall quadratic regression fit with confidence intervals for these ...
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1answer
46 views

Principal component analysis / multinomial logistic regression

I'm trying to see how level of scepticism impacts willingness to change diet. To measure sceptism I've used a 7 point likert scale. The study I'm basing my research on used a principal components ...
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1answer
26 views

2 factorial experiment (2 by 3). DV is NOT normally distributed

I just conducted an 2 factorial experiment that has 6 conditions (2 by 3). Specifically, my design is: IV1 = prior positive information (positive in A domain vs. control vs. positive in B domain) IV2 ...
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5 views

prediciting binge drinking by BFI and DMQ-R

I am currently doing my dissertation and am looking at the BFI and DMQ-R as predictors of binge drinking. my binge drinking variable is simply just one question. Each of of my questionnaires and binge ...
2
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1answer
42 views

Bonferroni Correction p value in SPSS [duplicate]

I have run an analysis on data using SPSS. I have a repeated measures design with 7 conditions. I chose to do pairwise comparisons to see where the effects lie and used the Bonferroni correction. If ...
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7 views

question about the output of Binary regression in SPSS [duplicate]

I am using binary regression modle analysising my data, by SPSS as the picture 1. you see in below, it is the first round result, Then, during the next round, I removed the variables which have no ...
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26 views

Cluster analysis in SPSS

I started learning cluster analysis (using SPSS) and I need some help in a practical problem. Given the following variables: The respondents were asked to indicate the importance of the ...
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18 views

Cox regression in SPSS and 3 way interaction with two categorical and one continuous variable

I'm new to survival analyses and am trying to test a model that has a 3 way interaction between two categorical variables and one continuous variable. I am concerned I am doing something wrong with my ...
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14 views

Calculating Cohen's d when df is Sattethwaite adjusted

Is it inappropriate to convert a t-statistic to Cohen's d if the independent groups have missing data estimated (MLE), and the df is much larger than it would be if you just entered the sample sizes? ...
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20 views

What to do when you have more than one column of dependent variable data?

I ran a 2x2x2 mixed Anova on my data I have only got a significant result for one factor and also a 3-way interaction. Trying to find out where the significance lies in the 3 way interaction at the ...
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19 views

How do I calculate Omega-squared for the Multivariate effect in MANOVA?

I did a one-way MANOVA using SPSS and reported the partial eta-squared for the overall multivariate effect as well as for the follow-up ANOVAs (provided on the SPSS output). The editor wants me to use ...
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11 views

SEM Model - Factor Analysis

I am attempting to build an SEM model for the fulfillment of my post-graduate course. For the model I have attempted to do reliability analysis with Cronbach alpha and the results are depicted below: ...
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41 views

Is the frequency of one observation greater than the frequency of others

Suppose I have 10 bags of M&M's. I count the number of red, blue, green and brown M&M's in each bag. I want to know if there are more red M&M's than other M&M's in the bags and if this ...
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1answer
31 views

Ordinal Logistic Regression Predicted Probabilities

I'm looking for a way to produce a matrix of predicted probabilities on data that went through SPSS's logistic regression test. I only use two ordinal variables with a range of 1-4 and 1-10 ...
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1answer
27 views

Inconsistent Performance of PCA Results from SPSS

I've completed PCA with my dataset (16 variables) and extracted 3 factors. I then created an Excel spreadsheet where I can enter in user provided data and calculate the scores for each of the three ...
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9 views

Two-way ANOVA, not quite right

All my data in independent and a random sample from a population. I have collected data and have one dependent variable and 2 different independent variables: Dependent = Length Independent = ...
3
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1answer
21 views

What is a paired observation or paired variable?

The question kind of asks itself, can anyone explain what a paired observation or paired variable is in basic terms? My data consist of the number of words learnt in a week for 19 different ...
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23 views

What type of statistical analysis would be best to use?

I'm awful at statistics so could really use some help regarding statistical analysis and which approach to use. Here is what I know - I need to determine, based on stats I have been given, whether ...
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1answer
50 views

In SPSS, should I calculate the mean score or the total sum score?

Are there any differences between mean scores and total sum scores? I know how to calculate both, I just don't know if there is one of them that is preferable? Also, the scores will be used for ...
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7 views

Can linear regression slopes be used as covariates in an univariate ANOVA?

Sorry if this has been asked before but I've searched a lot without luck! The closest thing was the following question, which partly answers my question: Can slopes in linear regressions be used as ...
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17 views

Explaining mixed-model interactions with ANOVA?

I have searched through the answers on this forum and I couldn't find any detailed explanation to my question about linear mixed models. Here is my setup: 4 groups with treatment X (one of which is ...
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23 views

Is the constant value ignorable?

I am running a linear regression on SPSS. Basically I have 2 independent and 1 dependent variables; and I would like to understand which of my independent variable is more effective on the dependent ...
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1answer
27 views

how can i calculate the degree of agreement between two methods

I have a sample of 26 learners and I used two different methods to identify their personalities. My problem is I am not that good in statistics and I want variables that I can use within SPSS to ...
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1answer
56 views

Large value of exp (B) in binary logistic regression SPSS what is wrong? [duplicate]

I had a very large value for Exp(B) in SPSS binary logistic regression. What is wrong and what should I do?
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18 views

Using standard error or standard deviation bars in within-subject design: How should i interpret and report this?

I have gathered results from a study that tests participants reaction time in a task that tests two conditions simultaneously by randomizing the trials within the experiment. I have used a wilcoxon ...