Can you do a one tailed test in SPSS?
SPSS has no specific procedure or dialog box to run a one-tailed test for differences of means. The procedure for the one-tailed test is the same as for the two-tailed test. There are two issues here, though. First is to have an idea of which direction you want the t-statistic to go.
How do you do a one tailed paired t test in SPSS?
To run a Paired Samples t Test in SPSS, click Analyze > Compare Means > Paired-Samples T Test. The Paired-Samples T Test window opens where you will specify the variables to be used in the analysis.
How do you do an independent t test in SPSS?
To run the Independent Samples t Test:
- Click Analyze > Compare Means > Independent-Samples T Test.
- Move the variable Athlete to the Grouping Variable field, and move the variable MileMinDur to the Test Variable(s) area.
- Click Define Groups, which opens a new window.
- Click OK to run the Independent Samples t Test.
Is a paired t-test one tailed?
1 Answer. Note that when you do a paired t-test, you are testing if the mean difference between pairs is significantly different from 0. You describe a one-tailed t-test which gives you the option to test if there is a difference in one direction (e.g. ‘greater than’ in the case you describe).
Is there a one tailed test in SPSS?
SPSS has no specific procedure or dialog box to run a one-tailed test for differences of means. The procedure for the one-tailed test is the same as for the two-tailed test. There are two issues here, though. First is to have an idea of which direction you want the t-statistic to go.
How do I interpret data in SPSS for an independent samples t-test?
How do I interpret data in SPSS for an independent samples T-test? Take a look at the first box in your output file called Group Statistics. In the first column, you will see the number 1 and the number 2 under the word IVSUGAR. These are the numbers that we chose to represent our two IV conditions, sugar (1) and no sugar (2).
How to do an independent sample t test?
In the Procedure section, we set out the simple 8-step procedure in SPSS Statistics to carry out an independent-samples t-test, including useful descriptive statistics.
Is there a procedure for one tailed test?
SPSS has no specific procedure or dialog box to run a one-tailed test for differences of means. The procedure for the one-tailed test is the same as for the two-tailed test.