Independent sample t test spss 16 tutorial pdf

Tutorial independen t test dengan spss uji statistik. Two independent sample ttest is for comparing means of two independent normally distributed populations. Independent samples t test in spss quick spss tutorial. When checking distributions graphically, look to see that they are symmetric and have no outliers. Strictly, most nonparametric tests in spss are distribution free tests. Oddly, these two concepts are entirely different but often used interchangeably. Kemudian masukkan variabel terikat anda yaitu nilai ke kotak test variables. Uji t test independent adalah salah satu uji parametrik untuk melakukan komparasi independen. Sampel independen adalah sampel yang menghasilkan data dari subjek yang berbeda. First, in this table you will find the levenes test that tests if the variance between the two independent samples are equal. The independentsamples t test window opens where you will specify the variables to be used in the analysis. Belajar melakukan analisis data spss tentunya perlu menggunakan rujukanrujukan pendukung. This quick tutorial will show you how to do an independent samples t test in spss and how to interpret the result.

How to compute a twosample independent ttest and interpret output the data from prior tutorials will be used here, with the following exceptions. Running an independent samples t test in spss is pretty. How to input data in spss for independent samples t tests 1. The independent samples t test window opens where you will specify the variables to be used in the analysis. An independent samples t test compares the averages of two groups whose members are. Spss one sample t tests independent samples t tests correlated t tests nonparametric tests before you boot up spss, obtain the following data files from my spss data page. Boleh anda gunakan independent t test, hanya saja yang menjadi variabel terikat atau yang diukur perbedaannya adalah. Langkahlangkah uji independent sample t test lengkap, cara melakukan uji independent sample t test dengan program spss, uji perbedaan ratarata dua sampel tidak berpasangan dengan spss, dasar pengambilan keputusan dalam uji independent sample t test. A one sample t test compares a sample average to a population mean. In order for the results of the study to be good, the subjects studied should be randomly selected for both groups being compared.

To run an independent samples t test in spss, click analyze compare means independentsamples t test. All of the variables in your dataset appear in the list on the left side. In the previous example given in class, the two means were the same, 6 vs. Step by step independent samples ttest in spss 21 the main use of independent sample t test is to compare the average of two case groups. Spss tutorial 01 onesample ttest the onesample ttest is a hypothesis test for comparing sample mean to a hypothesized mean to draw conclusions about the population when the population standard deviation is unknown. Independent samples ttest spss independent samples ttest tutorial read independent samples ttest quick. Cara uji independent sample t test atau uji t dua sampel tidak berpasangan dengan program spss disertai interpretasi lengkap. Langkahlangkah uji independent sample t test lengkap. Their weights and triglyceride levels are measured before and after the study, and the. The independent ttest ttest independent ttest between. The assumption of normality and the assumption of homogeneity of variance must be met before running an independent samples ttest. Independent samples ttest is used to compare two independent groups on a continuous outcome. Read cohens d effect size for ttest read what is a dichotomous variable.

Selecting two groups when more than two groups are present 1. Perhatikan kata independen atau bebas maknanya adalah tidak ada hubungan atau keterkaitan antara dua sampel yang akan di analisis menggunakan uji independent. Spss tutorial 01 independent samples t test the comparison of two independent samples can be conducted in spss to draw conclusions about the difference between the two populations. Downloaded the standard class data set click on the link and save the data file. To run an independent samples t test in spss, click analyze compare means independent samples t test. However, if you run a t test on other data, you should at least inspect some histograms of your dependent variables. Case studies spss one sample t test arif kamar bafadal. To run a one sample t test in spss, click analyze compare means onesample t test the onesample t test window opens where you will specify the variables to be used in the analysis. Download ebook spss bahasa indonesia gratis buku adalah jendela ilmu ungkapan yang sudah tidak asing ditelinga kita. Originally developed as a programming language for conducting statistical analysis, it has grown into a complex and powerful application. Cara uji t test independent dengan spss dan contohnya. To test the effectiveness of this diet, 16 patients are placed on the diet for 6 months. This tutorial will show you how to use spss version 12. This second example compares satisfaction with administration at public and charter schools, but, this time, notice that the variability among teachers ratings is much lower.

Cara uji independent sample ttest dan interpretasi dengan spss uji independent sample ttest jika diterjemahkan dalam bahasa indonesia maka berarti uji t sampel tidak berhubungan atau tidak berpasangan sampel bebas. Perhatikan kata independen atau bebas maknanya adalah tidak ada hubungan atau keterkaitan antara dua sampel yang akan di analisis menggunakan uji independent sample. Independent ttest a clinical psychologist wonders if eating disorders are exacerbated i. Independent samples ttest spss independent samples ttest spss click on define groups and type in the numbers used in data set to code each group group 1 1 group 2 2 click on continue and ok. Twosample ttest, independent jeff sinn, winthrop university, spss guide independent ttest rev 906 spss guide. The example is based on a study by shotland and straw 1976, who were interested in how the perceived relationship between a couple fighting may affect the likelihood of somebody interventing. For the unequalvariance t test, the observations should be independent, random samples from normal distributions. To see this, lets work through the example below from the visual learner media piece for two independent samples the data can be found in the visual learner. Cara uji independent sample t test dan interpretasi dengan spss uji independent sample t test jika diterjemahkan dalam bahasa indonesia maka berarti uji t sampel tidak berhubungan atau tidak berpasangan sampel bebas. For example, you could use an independent t test to understand whether first year graduate salaries differed based on gender i. The independentsamples and pairedsamples t tests in.

For large samples, the procedure often performs well even for nonnormal populations. Kenapa kok spss tidak menyediakan menu pilihan 1 ekor. Running an independent samples t test in spss is pretty straightforward. The result of the independentsamples t test is found in the table independent samples test of the spss output. The onesample t test is generally considered robust against violation of this assumption once n 30. Studi komparasi independen, contohnya perbandingan lakiperempuan, perbandingan kelompok kontrolperlakuan, perbandingan perusahaan ab, dan lainlain. To start the analysis, we first need to click on the analyze menu, select the compare means option, and then the pairedsamples t test suboption. Spss 20 bahasa indonesia pdf, online shopping at gearbest for the best cell phones, electronic gadgets, toys, sporting goods, home products and apparel for geeks at unbeatable great prices. Information can be edited or deleted in both views. One may use the independent samples ttest to learn whether two groups have mean scores that differ, statistically, on a quantitative. Oneway anova tutorial for oneway anova we have 1 dependent variable and 1 independent variable factor.

The onesample t test requires the following statistical assumptions. Figure 1 opening an spss data file the data editor provides 2 views of data. If necessary, when spss has loaded, click cancel to avoid a tutorial session. How to run an independent samples t test analysis in spss. Pak saya ingin bertanya bisa diuji kan kalau jumlah masing masing kelompok sample tidak sama misal kel 1 jumlah 11, kel 2 jumlah 7. Drag and drop the dependent variable into the test variable s box, and the grouping variable into the grouping variable box. Well first test anxi and make sure we understand the output. Spss stepbystep 5 1 spss stepbystep introduction spss statistical package for the social sc iences has now been in development for more than thirty years.

The twosample t test is fairly robust to departures from normality. Analyze compare means independent sample t test the independentsample t test box will open. Click on define groups, and input the values that define each of the groups that make up the grouping. Spss note on two independent samples ttest 1 two independent samples ttest purpose. In this example, among all 80 people in my sample, 29, 23, and 28 people said that their most favorite brands are a, b, and c, respectively. Berikut tutorial cara independen t test dengan spss. Homogeneity of variance test as the following picture shows. Remember that the columns represent each of the different variables and the rows represent each observation, which in this case is each cow. Sav and select analyzecompare meansindependent samples t test. For more statistics, research and spss tools, visit h. Spss requires one column for the variable of city and one for the variable of age.

Using the independent t test in spss this tutorial will walk you through how to run and interpret an independent t test. Home overview spss nonparametric tests spss nonparametric tests are mostly used when assumptions aren t met for other tests such as anova or t tests. If they contain any extreme values, specify them as user missing values. You have been asked to determine if there is a difference between males. Cara uji beda independent sample t test dengan spss. The independent samples t test or independent t test, for short compares the means between two unrelated groups on the same continuous, dependent variable. Data analysis for marketing research using spss introduction. Independent sample ttest the independent sample ttest procedure tests the null hypothesis that the population mean o a variable is the same for the two groups of cases.

The analysis results for equal variances not assumed uses the general t test method, which approximates a t. I would be glad if you could suggest any way of analyzing the likert scale in spss. The pvalue for an independent samples ttest is always interpreted within the context of the means and standard deviations of the two groups. Can we apply independent sample ttest on likert scale data. The image below displays a portion of the output for a t test of sat math scores comparing male and female computer science students. Statistical techniques to compare groups before attempting these questions read through the introduction to part five and chapters 16 21 of the spss survival manual. Independent sample ttest jika diterjemahkan dalam bahasa indonesia maka.

Using the independent ttest in spss this tutorial will walk you through how to run and interpret an independent ttest. How to input data in spss for independent samples t tests. In this tutorial we will examine fictional data based on a study by. Once the data has been entered, you are ready to begin the analysis. Two independent samples test youngstown state university. Use and interpret independent samples ttests in spss. Independentsample t test dialogue box, enter the continuous variable fencetch in the test variables.