spss

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    Reliability Analysis for Ability Test (Signal Detection)

    Good day all, I have been tasked with working out the alpha for an ability test which measures only two factors: Median Reaction Time (in ms) and Score based on how many signals were detected (value out of 40). My question is how do I go about doing this? Previously I've computed the...
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    Can AMOS produce the data for an EFA table or can this only come from SPSS?

    Hi all, Thoughts please. Obviously, AMOS is mainly used for confirmatory factor analysis (CFA) and structural equation modelling (SEM) - but can data from AMOS be used to populate an exploratory factor analysis (EFA) table as part of a measure development process? Specifically can AMOS...
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    Asymptotic sig (2sided test) V Pairwise comparision ad. sig

    Greetings I just ran a the non-parametric KW test (as independent samples) in SPSS on my data with 5 groups which is not normally distributed and found that the overall Asymptotic sig (2sided test) was 0.025 ergo significant while in the Pairwise comparision ad. sig, no groups were...
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    Missing value imputation on a non-normal distribution - EM vs Regression? Or else?

    Hi, Bit green when it comes to some of these methods, so please be gentle... but I'll try to provide as much info and concisely as possible. Any help sincerely appreciated. I have a non-normal dataset with missing at random data and am trying to determine which imputation method to use. I...
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    How determine if control variables moderate the IV/DV relationship in SPSS?!?!

    I just finished basic SPSS analysis of data I recently collected that has 1 DV, 2 IVs, and 8 control variables (age, race, level of education, etc). I cannot for the life of me figure out how to test the control variables for moderation in SPSS. I feel like I recently did it, but cannot...
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    Mixed methods ANCOVA

    Hey, I wondered if anyone could help me out. I am trying to conduct an ANCOVA for my masters project and am confused on how to enter the data. So I have 2 IVS; group (treatment or control) and time point (T1 and T2). I have a covariate (which a bed use at T0) and my DV is bed use - looking...
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    Question about 3X3 repeated measures ANOVA and simple effects

    First time posting here. I have conducted a transcranial magnetic stimulation study and am analyzing the results as a 3x3 repeated measures ANOVA. I'm a grad student in cognitive psychology. 1. purpose of the study: to dissociate language from other forms of cognition using TMS. 2...
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    [SPSS loop] - count the number of certains values, skip 0 and continue counting

    Hi everybody! This is my first post here. Hope I am making sense of myself. I have a hospital activity dataset showing 2 (there are more in the real data) indicators for each hospital and month. I need to prepare the data for producing a run chart. I need to highlight in the run chart if...
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    Test to compare regression lines and R^2 values

    Hello I would like to compare the regression lines and coefficients between the disease and healthy groups to see if the rate at which iron increases, and compare tight the data spread in correlation equation is between the groups to see robustness of the data collection method. I have...
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    Thesis question

    Hello, In short, I am trying to determine if you're stronger with one limb at a time or two for the leg press exercise. I use the following bilateral index score (100 X (both both legs/right leg + left leg) - 100. Thus, I only have one data point, which is either a positive or a negative...
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    merging partial duplicates

    merging partial duplicates (please help) Dear reader, I have a question in regards to preparing my dataset for research. I have a dataset in SPSS 20 in long format as I am researching on individual level over multiple years. However some individuals were added twice to my dataset because...
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    Export output to excel

    Hello, I have a problem with exporting spss output to excel. I want to export data from binominal tests and logistic regression to excel in a certain format. For example the output: Category N Observed Prop. Test Prop. Exact Sig. (2-tailed) Gender Female 8 0,75 0,50...
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    Mixed Models: challenge to solve

    Hello there! I have a question concerning my data and the use of Mixed models in SPSS 21.0. I want to investigate the influence of the independent variable 'altitude' (coded 1 to 5) on the dependent variable 'time' (numeric) of a certain test. This test is conducted in 16 individuals and...
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    Seems so simple but I cannot figure it out -> combine 3 variables into one

    Please keep in mind I know little of stats and how to use SPSS. I would really appreciate some help. I have several questions that ask about liking fruit. for example: q1=do you like apples?, q2=do you like pears?, q3=do you like oranges? Each is a yes/no question and 0=no 1=yes I want...
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    Variation in significance Categorical Regression Analysis (CATREG)

    Hello, I am doing Categorical Regression Analysis (CATREG) with SPSS. However, every time i run the analysis, the standard error and p-value vary slightly, although all the variables both DV and IV remain same. This makes some IV's significant sometimes (<0.05), and sometimes insignificant...
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    Mixed Model Analysis SPSS

    Hello All, I have a data set which I am trying to find out what is the best way to go about analyzing. I have been asking around and was advised that mixed model is the best way to go. Basically, this is a brief explaination of my data set. I am trying to see the efficacy of Drug X on tumor...
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    What statistical test enables me to test my hypothesis?

    Hi all, I really really need some help.. For my thesis, I examine the following research question and hypothesis: RQ: Has the use of Twitter been successful in creating public engagement in the Iran nuclear deal? H1: Multimedia tweets are more likely to create public engagement in...
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    SPSS Complex Samples Logistic Regression

    Hi all, I am hoping this is a simple question... I am using SPSS for complex samples and in my logistic regression output I do not have any p-values for the significance of my variables. Does anyone know where I can get the p-values in my output of logistic regression of complex...
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    Can i use the results from a PCA if the matrix is 'not positive definite'

    Hi, I have a 'not positive definite' correlation matrix having done a principal component analysis (PCA) on SPSS. The data i have used is from a questionnaire i did using a 7 point likert type scale. There were 36 questions (36 variables) i got 16 responses (n=16). The questionnaire was very...
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    Multiple response set - is it possible to combine dichotomy and category responses?

    Hi, I am analysing questionnaire data in SPSS and looking to create a multiple response set for a question I posed. However the question contains 5 set options and an 'other' option with the option to add text. I have made the set but it doesn't give the option to include the 'other'...