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SPSS tutorials
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เข้าร่วมเมื่อ 16 ส.ค. 2023
We show you how to get things done in SPSS faster and more easily and accurately.
Some key points are
-running and understanding basic tests such as ANOVA, regression, t-tests and more...
-cleaning and preparing data files for such analyses and
-explaining basic statistics in normal language with simple examples and illustrations.
Our final goal is contributing to better data analysis for the social sciences and related fields.
Some key points are
-running and understanding basic tests such as ANOVA, regression, t-tests and more...
-cleaning and preparing data files for such analyses and
-explaining basic statistics in normal language with simple examples and illustrations.
Our final goal is contributing to better data analysis for the social sciences and related fields.
Cronbach’s Alpha in SPSS - Basics & Troubleshooting
DESCRIPTION:
Finding Cronbach’s Alpha in SPSS can be super simple.
However, complications are also pretty common such as
-finding rather low values
-or a negative alpha
-or even no alpha at all.
So in this SPSS beginners video, you’ll first learn the basics such as
-the meaning and importance of Cronbach’s alpha
-how to run Cronbach’s alpha from the SPSS menu and syntax
-how to interpret and report the SPSS output.
Next up, you'll also learn how to fix the aforementioned issues and a couple of handy time savers.
Hope it helps!
TIMESTAMPS:
02:54 Cronbach’s Alpha - Quick Definition
04:27 Cronbach’s Alpha - Practical Purposes
05:02 How high should Cronbach’s Alpha be?
05:43 Quick data screening
10:26 Example 1 - Agreeableness Scale
11:20 SPSS Cronbach’s Alpha Output
13:20 Example 2 - Increase Cronbach’s Alpha by Removing Items
20:18 Example 3 - Cronbach’s Alpha is Negative
22:30 Reverse code variables
25:11 Example 4 - There are too Few Cases (N = 0) for the Analysis
29:08 APA Reporting Cronbach’s Alpha
31:00 SPSS Stupidities for Cronbach’s Alpha
RESOURCES:
Written version: www.spss-tutorials.com/cronbachs-alpha-in-spss/
Download example data file from: www.spss-tutorials.com/downloads/big-5.sav
Download final syntax file from: www.spss-tutorials.com/downloads/cronbachs-alpha-in-spss.sps
SPSS syntax introduction: www.spss-tutorials.com/spss-syntax/
Download recode with value labels tool from: www.spss-tutorials.com/spss-recode-with-value-labels-tool/
SPSS RECODE tutorial: th-cam.com/video/7SjNRUGS5FY/w-d-xo.html
FOLLOW US:
Complete SPSS beginners course on Udemy: tinyurl.com/spss-beginners-course
Official website: www.spss-tutorials.com/
TH-cam: www.youtube.com/@SPSS-tutorials
LinkedIn: www.linkedin.com/company/spss-tutorials/
Facebook: spss.tutorials.website/
#spss #dataanalysis
Finding Cronbach’s Alpha in SPSS can be super simple.
However, complications are also pretty common such as
-finding rather low values
-or a negative alpha
-or even no alpha at all.
So in this SPSS beginners video, you’ll first learn the basics such as
-the meaning and importance of Cronbach’s alpha
-how to run Cronbach’s alpha from the SPSS menu and syntax
-how to interpret and report the SPSS output.
Next up, you'll also learn how to fix the aforementioned issues and a couple of handy time savers.
Hope it helps!
TIMESTAMPS:
02:54 Cronbach’s Alpha - Quick Definition
04:27 Cronbach’s Alpha - Practical Purposes
05:02 How high should Cronbach’s Alpha be?
05:43 Quick data screening
10:26 Example 1 - Agreeableness Scale
11:20 SPSS Cronbach’s Alpha Output
13:20 Example 2 - Increase Cronbach’s Alpha by Removing Items
20:18 Example 3 - Cronbach’s Alpha is Negative
22:30 Reverse code variables
25:11 Example 4 - There are too Few Cases (N = 0) for the Analysis
29:08 APA Reporting Cronbach’s Alpha
31:00 SPSS Stupidities for Cronbach’s Alpha
RESOURCES:
Written version: www.spss-tutorials.com/cronbachs-alpha-in-spss/
Download example data file from: www.spss-tutorials.com/downloads/big-5.sav
Download final syntax file from: www.spss-tutorials.com/downloads/cronbachs-alpha-in-spss.sps
SPSS syntax introduction: www.spss-tutorials.com/spss-syntax/
Download recode with value labels tool from: www.spss-tutorials.com/spss-recode-with-value-labels-tool/
SPSS RECODE tutorial: th-cam.com/video/7SjNRUGS5FY/w-d-xo.html
FOLLOW US:
Complete SPSS beginners course on Udemy: tinyurl.com/spss-beginners-course
Official website: www.spss-tutorials.com/
TH-cam: www.youtube.com/@SPSS-tutorials
LinkedIn: www.linkedin.com/company/spss-tutorials/
Facebook: spss.tutorials.website/
#spss #dataanalysis
มุมมอง: 922
วีดีโอ
SPSS - Set Missing Values with Syntax
มุมมอง 3652 หลายเดือนก่อน
DESCRIPTION: Setting missing values with syntax in SPSS is super easy. Something like MISSING VALUES Q1 TO Q5 (6,7). usually does the job. However, -how do you know which values to set as missing? -why can't you set 2 ranges of missing values and what's a workaround for this? -how to remove values altogether and why is this a bad idea? In this SPSS beginners video, we’ll quickly walk you throug...
SPSS - How to Convert String Variables into Numeric?
มุมมอง 7922 หลายเดือนก่อน
DESCRIPTION: Converting string variables into numeric ones can be done in variable view. However, a better option is fixing all variables with a single line of syntax such as ALTER TYPE V01 TO V10 (F8.2). Now, whatever method you choose, things get tricky if -values have a period or comma as decimal separator, -empty cells or even -illegal characters in some values. Sadly, none of the other vid...
SPSS SELECT IF - Delete Selection of Cases
มุมมอง 5142 หลายเดือนก่อน
DESCRIPTION: In SPSS, SELECT IF permanently removes cases from your data who don’t meet one or more conditions. Doing so is straightforward in some cases but -how does SELECT IF deal with missing values? -how to select on 2 variables simultaneously? -how to visually inspect cases before deletion? In this SPSS beginners video, I’ll walk you through everything you want to know plus some little kn...
SPSS FILTER - Complete Tutorial & Examples
มุมมอง 1.1K3 หลายเดือนก่อน
DESCRIPTION: If you want to analyze only a subset of cases in SPSS, you'll probably want to use a FILTER. You could do so from Data - Select Cases but this is slow and inefficient. And -worse perhaps- this doesn't solve any challenges you may have with real-life data. So in this video, I'll show you how it's done properly. I'll also cover some little known tips & tricks for SPSS filters. Hope i...
SPSS Date Variables - Beginners Tutorial & Examples
มุมมอง 3263 หลายเดือนก่อน
DESCRIPTION: For dealing with date variables in SPSS, you could go to Transform - Date & Time Wizard. However, you can get the job done way better and faster with some very simple date functions such as -DATEDIFF for computing the time between 2 dates, -DATESUM for adding time (days, hours, ...) to dates, -XDATE for extracting time components (years, week days, ...) from dates & -DATE.DMY for c...
SPSS RECODE - The Ultimate Beginners Guide & Examples
มุมมอง 4013 หลายเดือนก่อน
DESCRIPTION: In SPSS, RECODE simply changes (ranges of) values into different values. For instance, RECODE V01 (1 = 0)(2,3 = 1)(4 THRU 10 = 2)(11 THRU HI = 3). changes 1 into 0, 2 and 3 into 1 and so on for some variable V01. Now, for getting this done fast and correctly, there's some basics you'll want to know such as -how to create new variables with RECODE and when (not) to do so? -how, when...
Missing Values in SPSS - Complete Beginners Tutorial
มุมมอง 1.3K3 หลายเดือนก่อน
DESCRIPTION: When analyzing real-world data in SPSS, missing values can be a real pain. In this SPSS beginners video, I'll cover everything you want to know about missing values such as -precisely what are missing values? -how to detect and handle missing values in SPSS? -how do missing values affect both data editing and data analysis? -how to count missing values over variables or cases? -and...
SPSS IF Command - Quick Tutorial & Examples
มุมมอง 1.2K3 หลายเดือนก่อน
DESCRIPTION: In SPSS, IF is a conditional COMPUTE command: it computes a variable but only for a selection of cases. Alternatively, use FILTER or SELECT IF for excluding such cases from analyses. So in this video I'll show how to fix some real-life data issues by using the IF command. I'll also point out -how IF differs from DO IF -how IF differs from RECODE -how to use FILTER instead. Quickly ...
SPSS Syntax - Quick Introduction for Absolute Beginners
มุมมอง 9994 หลายเดือนก่อน
DESCRIPTION: SPSS syntax is a simple SPSS code for opening, editing and analyzing your data and more. You can easily create such syntax by clicking "Paste" instead of "Ok" in most SPSS dialogs. But why should you? Well, by saving your syntax, you can rerun all steps you took during a project in a matter of seconds. This makes it very easy to -correct, adjust or add data editing & analysis steps...
SPSS - Quick Introduction & Overview Main Features
มุมมอง 1.2K4 หลายเดือนก่อน
DESCRIPTION: SPSS is super easy software for data editing, analysis and lots of basic and advanced statistical procedures. -so how does SPSS basically work? -what are SPSS' main strengths and weaknesses? -why do some analysts prefer SPSS over similar packages? -for which projects is SPSS (not) a good option? In this video, I’ll quickly walk you through all this and more! TIMESTAMPS: 00:46 what ...
SPSS ANOVA with Post Hoc Tests - Complete Beginners Tutorial
มุมมอง 1.3K6 หลายเดือนก่อน
DESCRIPTION: ANOVA -or analysis of variance- tests if 3 or more population means are all equal. Now, if this isn't the case, then we sometimes compare each mean to each other mean, a procedure known as post hoc tests. Additionally, you also want to look into -some basic data screening, -the ANOVA assumptions, -effect size measures and -APA style reporting. In this SPSS beginners video, I'll wal...
SPSS Correlation Analysis - Complete Beginnner Guide
มุมมอง 9096 หลายเดือนก่อน
DESCRIPTION: How to run a correct and complete correlation analysis in SPSS? In today’s video, I’ll slowly walk you through each step such as -a quick data screening -inspecting correlations -checking assumptions and -optionally -APA reporting. I’ll also point out some handy rules of thumb for interpreting correlations and some nice tricks for creating better output. TIMESTAMPS: 04:28 data scre...
Two-Way ANOVA in SPSS - Complete Tutorial
มุมมอง 7159 หลายเดือนก่อน
DESCRIPTION Running a correct and complete 2-way ANOVA in SPSS involves a couple of steps such as -evaluating assumptions, -main and interaction effects, -effect sizes and -possibly, APA style reporting. So in this video, I'll slowly walk you through all you need to know. I'll also point out some handy tricks so you'll quickly analyze your data like a pro! TIMESTAMPS: 03:31 screen dependent var...
Multiple Linear Regression in SPSS - Complete Tutorial
มุมมอง 10K9 หลายเดือนก่อน
DESCRIPTION Multiple linear regression is perhaps the most popular analysis in a wide variety of fields. In this video I’ll slowly walk you through each step for running a correct and complete analysis in SPSS. Some main points I’ll cover are -basic data screening with histograms -more data screening with scatterplots for which I’ll show a nice tool -a quick inspection of Pearson correlations -...
Computing Means in SPSS - Quick Tutorial & Examples
มุมมอง 29710 หลายเดือนก่อน
Computing Means in SPSS - Quick Tutorial & Examples
Creating APA Style Correlation Tables from SPSS
มุมมอง 58310 หลายเดือนก่อน
Creating APA Style Correlation Tables from SPSS
SPSS Create Scatterplots & Fit Lines Tool - Quick Demo
มุมมอง 195ปีที่แล้ว
SPSS Create Scatterplots & Fit Lines Tool - Quick Demo
❤
Thank you so much!!! amazing explanation.
Sir, this is marvellous. However, I am looking to study regression model as a data scientist and hardly we use SPSS in office for our predictive modelling. Python has been used for almost all the time. Do you have any experience of Python to conduct such regression?
Yes, I do. However, I don't cover anything Python. If you purely want to predict stuff, Python may be better. But SPSS is more useful if you want to explain (rather than predict) what's going on in your data. Use a hammer for nails, a screw driver for screws ;-)
Please speak more slowly
Wonderful presentation. I got completely engrossed in it. So systematic, thorough, yet simply presented. Thanks for your commitment and time.
Thanks for the compliments! If you'd like to see more videos like these, perhaps consider taking our full course at bit.ly/spss-beginners-course Happy analyzing!!
Thank you very much!
Sometimes, I am so confused about utliers. I know they are all originally from my data collection. And they are all authentic. But, when I run frequency and see them in the histogram, some extreme values always make me think whether should I delete them for the better regression output. 🤔🤔🤔
I hate to say this but outliers are truly one of the "grey areas" in data analysis. Even highly experienced analysts often disagree on what (not) to exclude. I think the best ways to deal with this are -use your common sense and -be very open and explicit on what you decided and why. Hope that (somewhat) helps! Ruben SPSS tutorials
@@SPSS-tutorials Dank je wel... by the way, this is a good tutorial video indeed. 🤪🤪🤪
@@kwoncey4581 Thanks for the compliment, happy to hear you like it! P.s. if you like this one, you may want to check out our full SPSS course at bit.ly/spss-beginners-course
Where is the introduction link
The SPSS syntax introduction you mean? The video version is at th-cam.com/video/SZqMKZK8ZcE/w-d-xo.html and the written version is at www.spss-tutorials.com/spss-syntax/ Hope that helps!
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thank you so much. I have a dataset collected from 600 participants, with the dependent variable continuous and the independent variables (about 40 variables) mixed (continuous and nominal ), my research question is about the factors associated with the dependent variable. i believe multiple regression is the best choice for this purpose. the independent variables were collected subjectively and objectively (standardized tools). my questions: can I run regression two times (first with subjective variables alone the objective variables ) is this right in statistics?
Hi Hassan! There's no real "right or wrong" here but IMHO, a single analysis with all predictors is preferable over separate analyses because you want the predictors to compete with each other. But if this were my project, I'd first see if I can reduce the number of IV's with PCA ("factor analysis"). Note that you'll usually want at least some 10-15 independent observations (participants) per predictor. Now, if you dummify some of your nominal predictors, you may have more than 40 for 600 observations. Not ideal. Last but not least: perhaps consider doing this hierarchically: enter all subjective IV's in step 1 and the others in step 2 and see if the increase in r-square is statistically significant. Then enter the 2 sets of predictors in the opposite order too. Hope that helps! SPSS tutorials
You have saved me a lot. thanks
Thank you dear Ruben for your videos and the resources that accompany it. They are quite educative and helpful. Please I find it difficult to install "Confidence Intervals for Correlations Tool". it complains that the tool does not have a valid syntax template. Please what will I do to get it install in my spss version 27?
Hi Vitalis! I had a very close look at this tool and -sadly- SPSS no longer supports it. However, note that recent SPSS versions include CI's for Pearson correlations under Analyze - Correlate - Bivariate (fourth button in right top corner). This requires raw data but if you don't have these, you can use the second sheet in www.spss-tutorials.com/downloads/pearson-correlation.xlsx Just replace r and n and the formula will recalculate the CI for you. Hope that helps! Ruben SPSS tutorials
Can I directly use individual 5 point Likert items, as independent variables in Multiple regression, as these items are formative in nature, not reflective, so I can't transform them to a single mean score. I have read that Likert items on 5 or more point scale can be treated as continuous variable...Further, my dependent variable has 4 items which are again measured on 5 point likert scale, but are reflective in nature, so i will transform them to a single mean value (to be taken as dependent variable) in multiple regression. Is that OK?
Yes and no. Strictly, Likert scales are ordinal variables. This implies you can neither compute sums/means over them, nor use them as "normal" (that is, quantitative -note this is slightly different from "continuous") predictors in linear regression. Less strictly, however, many analysts treat Likert scales as if they were quantitative variables under the "assumption of equal intervals". So what you're doing is fairly common practice (especially in non academic research) but strictly not entirely correct. In short, there's no clear yes/no answer to your question. Hope it helps anyway.
Excellent video! I wish it existed all those years ago when I was learning about regression analysis. I have a small comment/question: At 19:50 you say that we don't want to see high corelations in the table, but you bring a corelation between the dependent and an independent variable as an example. Would you say it's actually problematic to have a strong corelation there? I can understand that multicollinearity among the independent variables can be a problem, but what about between the DV and an IV? Thanks again for the great tutorial :)
Hi Georgios, thanks for the compliment! Your comment makes perfect sense: collinearity is not caused by high correlations among the DV and the IV's. So the short answer is: no, that's not always problematic. However, in the social sciences, super high correlations (say |r| > .80 / .90) are oftentimes suspicious. If we track down where they came from, it's often that 2 variables are basically the same thing such as some sum score computed in 2 different ways (with/without missing values for instance). And that obviously is problematic... So if you see super high correlations, please do a careful data check to see if these truly reflect some linear relation. Hope that helps!
Thank you for such a detailed video. And could you please tell in the table of Step-wise multiple regression, what should be added. And what should be discussed in the interpretation of the table.
Hi Sonia! This video is not about stepwise regression or any other form of hierarchical regression. For reporting such analyses, there's tons of different APA table formats (most of which are not very useful in my opinion). A useful book for these tables is www.amazon.com/Presenting-Your-Findings-Practical-Creating/dp/143380705X So there's no short or simple answer but we sometimes report -variables entered in each step -R-square change and the associated F- and p-values for (sets of) predictors. Hope that helps! SPSS tutorials
@@soniamanhas4970At your service, Sonia! P.s. do check out the book I linked to, it's super helpful.
A few comments I wish you would turn on the toolbar in the Syntax Editor. It can help a lot with syntax. To see patterns in correlations with bunch of variables, it is very helpful to color code the cells based on correlation size. SPSSINC MODIFY TABLES can do that. For scatters, it is convenient to do a matrix as scatter plot instead of a bunch of bivariate scatters, although you lose some details. Looking at significance in the correlation matrix, one must be aware of the multiple testing issue.
@@JonPeck100Hi Jon! I had another look into STATS CORRELATIONS. First off, I think it's a pity that it requires a DATASET NAME. I never use (or recommend) using this. It simply gets in my way without being helpful in any way. Also, the warning may deter SPSS beginners from proceeding with STATS CORRELATIONS if they're unaware that DATASET NAME ... will solve this issue. Why don't you have Python apply and remove a (random) DATASET NAME if not applied by the user? Also, I'm not a big fan of the resulting table layout and the inability to choose which statistics I want to see. Why not have users select r / N / p / CI as they see fit? Finally, as a more general point, I think many extensions are quite inconsistent regarding their naming/titles. I only learned that STATS CORRELATIONS is the same extension as "Bivariate with..." because I stumbled upon some .pdf document with a couple of screenshots. Note that these 2 names literally don't have a single word in common.
Thank you sir for your brilliant videos. So detailed, so well thought through, so exceptional, so exceptional. Please keep them coming. SUBSCRIBED!
This is incredibly useful. Thank you so much.
Thanks for the compliment. We really appreciate it.
Good presentation 👍
Thank you for sharing , is it SPSS 29 ?
Hi Paul, at your service and thanks for the compliments! All videos thus far were recorded using SPSS version 28.
Thanks for this video. I've learned a lot about APA style correlations in SPSS. Clear and concise explanation.
Promo-SM
cool, I like it very much!!!! like the details in the video
I notice you have the toolbar turned off in the syntax window, but if you need to insert a list of variable names into the syntax, the Variables toolbar button is very useful. Of course, TO is fine for contiguous variables, but pasting from the toolbar is pretty convenient, especially if variable names are long. And it shows you the variable metadata, too. Paste from that window leaves it open so you can easily reference it in multiple places. Easier than copying from Variable View. And, BTW mean, sum, etc are functions, so comma separators are necessary in order for the expression to be unambiguous. It would be nice if there were a control on the Variables dialog for what to paste as the separator, but, there is a way to define macros and control the separator for advanced users.