Independent samples t-test example in SPSS where the aim is to test the difference in means between 2 groups of a quantitative variable.

Views: 109228
Phil Chan

I demonstrate how to write a high quality results section for a dependent samples t-test (aka., paired samples t-test).

Views: 34183
how2stats

I demonstrate how to perform and interpret a paired samples t-test in SPSS. I also point out that many people fail to test the homogeneity of variance assumption in the paired samples t-test, but that this can be done relatively easily with a Pitman-Morgan test.
paired t-test

Views: 314780
how2stats

Hypothesis test for the difference between means of two populations.
View more lessons or practice this subject at http://www.khanacademy.org/math/ap-statistics/two-sample-inference/two-sample-t-test-means/v/two-sample-t-test-for-difference-of-means?utm_source=youtube&utm_medium=desc&utm_campaign=apstatistics
AP Statistics on Khan Academy: Meet one of our writers for AP¨_ Statistics, Jeff. A former high school teacher for 10 years in Kalamazoo, Michigan, Jeff taught Algebra 1, Geometry, Algebra 2, Introductory Statistics, and AP¨_ Statistics. Today he's hard at work creating new exercises and articles for AP¨_ Statistics.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today!
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Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc

Views: 87238
Khan Academy

A lesson on how to perform a paired sample t-test using SPSS/PASW.

Views: 283581
bernstmj

I demonstrate how to write a high quality results section for an independent samples t-test.

Views: 103270
how2stats

Discover how to compute Student's t-test for two independent samples using Stata. Created using Stata 12. Copyright 2011-2017 StataCorp LLC. All rights reserved.

Views: 137652
StataCorp LLC

(Part 2) I demonstrate how to write a high quality results section for a dependent samples t-test (aka., paired samples t-test).

Views: 7155
how2stats

How to conduct a two sample independent t-test using excel when equal variances is not assumed.

Views: 95512
Mastee Badii

We demonstrate how to run a one-sample t-test, including how to specify the test value for the parameter under the null hypothesis. We also walk you through the t-test result right up to the statistical and substantive conclusions.

Views: 56527
quantoct

An example of a paired sample t test in SPSS - interpretation, write up of results.

Views: 7949
Phil Chan

This is the second video of 2 addressing how you can calculate Cohen's d (effect size index) and interpret it in light of your paired samples test results in SPSS.

Views: 11549
Mike Crowson

This video demonstrates how to use the “z-Test: Two Samples for Means” analysis in Microsoft Excel. This z-test analysis is used to determine if there is a statistically significant difference between two sets of scores when the population variance is known.

Views: 19155
Dr. Todd Grande

STATA Tutorials: T-test: Comparing Two Means From Independent Samples is part of the Departmental of Methodology Software tutorials sponsored by a grant from the LSE Annual Fund.
For more information on the Departmental of Methodology visit http://www.lse.ac.uk/methodologyInstitute or follow us on http://twitter.com/MethodologyLSE
LSE Annual Fund webpage http://www.alumni.lse.ac.uk/olc/pub/LHE/filemanager/annualfund/default.htm

Views: 61824
Methodology LSE

Get the full course at: http://www.MathTutorDVD.com
The student will learn the big picture of what a hypothesis test is in statistics. We will discuss terms such as the null hypothesis, the alternate hypothesis, statistical significance of a hypothesis test, and more.
In this step-by-step statistics tutorial, the student will learn how to perform hypothesis testing in statistics by working examples and solved problems.

Views: 1464837
mathtutordvd

How to run an independent samples t-test in SPSS 22 and calculate and interpret effect size using Cohen's d.

Views: 43361
Peter Naegele

I demonstrate how to perform a one sample-test in SPSS using two different examples. The one sample t-test is appropriate for testing hypotheses about the difference between a sample mean and a population "mean" (or "mu") when the population standard deviation (sigma) is not known.

Views: 63645
how2stats

A lesson on how to perform an independent sample t-test using SPSS/PASW.

Views: 273265
bernstmj

Another way of measuring the difference between two samples is to compare two unrelated samples. In this design, you measure two groups one time; in contrast, the previous paired test measured the same sample two times. With independent samples, you test whether the means of the samples are, not just different, but statistically significantly different.
Link to a Google Drive folder with all of the files that I use in the videos including the Bear Handout and StatsClass.sav. As I add new files, they will appear here, as well.
https://drive.google.com/drive/folders/1n9aCsq5j4dQ6m_sv62ohDI69aol3rW6Q?usp=sharing

Views: 57900
Research By Design

How to Use SPSS
When we calculate the mean of a sample, we can then use a one-sample t test to compare that sample mean to another mean, such as a mean from a population or a normative group. This video will introduce you to concepts that you will need later when you learn about hypothesis testing.
Link to a Google Drive folder with all of the files that I use in the videos including the Bear Handout and StatsClass.sav. As I add new files, they will appear here, as well.
https://drive.google.com/drive/folders/1n9aCsq5j4dQ6m_sv62ohDI69aol3rW6Q?usp=sharing

Views: 56270
Research By Design

(Part 2) I demonstrate how to write a high quality results section for an independent samples t-test.

Views: 49910
how2stats

This video demonstrates how to conduct and interpret a Welch test in SPSS. The Welch test is used with unequal sample sizes and when the homogeneity of variances assumption for One-Way ANOVA is violated (statistically significant Levene’s test). Testing the assumption of normality for ANOVA is reviewed.

Views: 18993
Dr. Todd Grande

statisticslectures.com - where you can find free lectures, videos, and exercises, as well as get your questions answered on our forums!

Views: 384008
statslectures

Learn how to compute a one-sample Student's t-test using Stata. Created using Stata 12. Copyright 2011-2017 StataCorp LLC. All rights reserved.

Views: 43204
StataCorp LLC

This video shows how to conduct a one-sample hypothesis t-test for the mean in Microsoft Excel using the built-in Data Analysis (from raw data).
How to load Data Analysis in Excel: https://youtu.be/SqpSwxJ9t2k

Views: 108138
Joshua Emmanuel

This video stalks about Two independent sample t-test and the various Statistics involved.
Text file: https://drive.google.com/file/d/0BxwFlYNA7JmEZWVueWp5THNGNmM/view?usp=sharing
Datafile: https://drive.google.com/file/d/0BxwFlYNA7JmEMXNEUlhmN2lxTm8/view?usp=sharing

Views: 2608
Neeraj Kaushik

This video demonstrates how to conduct a One-Sample Kolmogorov-Smirnov Test in SPSS. The K-S Test compares a variable’s distribution function with a specified theoretical distribution (normal, uniform, Poisson, or exponential).

Views: 33504
Dr. Todd Grande

This minilecture covers pvalue calculation and confidence interval construction for a two-sample t-test.

Views: 29791
Jarad Niemi

This video explains everything you need to know about the t-test for beginners and novices. It also provides a practical example and walks through how to analyze sample dataset. Finally, it shows you how to report and write the results of the t-test.
Link to the dataset - https://docs.google.com/spreadsheets/d/1CWZWan8gJVjRHanhkcJ8FXSbbhFwx1XQUnsNTHWBudI/edit?usp=sharing
Table of Contents:
01:19 - The D.E.A.R. Method
01:23 - Define: t-test
04:03 - Define: Independent Samples t-test
04:52 - The D.E.A.R. Method
04:59 - Example: Independent Samples t-test
05:09 - The D.E.A.R. Method
05:09 - Example: Independent Samples t-test
07:25 - Example: Dataset
08:31 - Example: Dataset
08:32 - The D.E.A.R. Method
08:43 - Example: Dataset
08:43 - The D.E.A.R. Method
08:44 - Apply: Independent Samples t-test
11:02 - Apply: Independent Samples t-test
11:04 - Apply: Independent samples t-test
11:55 - Apply: Independent samples t-test
15:00 - Apply: Independent samples t-test
15:16 - The D.E.A.R. Method
15:29 - Report: Independent Samples t-test
17:11 - Report: What we know and what we don’t know

Views: 21229
Chris Lam

Statistics with R | Two Sample t-test

Views: 12307
Dragonfly Statistics

This video shows how to conduct a one-sample hypothesis z-test for the mean in Microsoft Excel using the built-in Data Analysis (from raw data).
How to load Data Analysis in Excel: https://youtu.be/SqpSwxJ9t2k
Data used:
Age
25
30
23
21
24
22
24
25
22
21
22
18
20
24
24
22
23
19
21
20
21
21
19
21
19
24
20
20
20
23
22
23
19
22
19

Views: 49747
Joshua Emmanuel

http://alphabench.com/data/excel-paired-samples-test.html
Test for a mean difference in paired or related samples using Excel. Use output to calculate a confidence interval. Some texts also refer to this as a repeated measures test.
See the following for how to use the T.TEST function to test hypotheses:
https://youtu.be/HD77RI3EKt8

Views: 169640
Matt Macarty

This video describes how to perform one-sample and independent-samples t tests using SPSS.

Views: 13213
Dr. Todd Grande

This video examines how to interpret the confidence interval for the independent samples t test in SPSS. Confidence intervals can be used instead of the p-value to assess whether or not the test is significant.
YouTube Channel: https://www.youtube.com/user/statisticsinstructor
Channel Description: For step by step help with statistics, with a focus on SPSS (with Excel videos now too). Both descriptive and inferential statistics covered. For descriptive statistics, topics covered include: mean, median, and mode in spss, standard deviation and variance in spss, bar charts in spss, histograms in spss, bivariate scatterplots in spss, stem and leaf plots in spss, frequency distribution tables in spss, creating labels in spss, sorting variables in spss, inserting variables in spss, inserting rows in spss, and modifying default options in spss. For inferential statistics, topics covered include: t tests in spss, anova in spss, correlation in spss, regression in spss, chi square in spss, and MANOVA in spss. New videos regularly posted. Videos series coming soon include: multiple regression in spss, factor analysis in spss, nonparametric tests in spss, multiple comparisons in spss, linear contrasts in spss, and many more. Subscribe today!
YouTube Channel: https://www.youtube.com/user/statisticsinstructor
Video Transcript:
In the previous video we ran the independent samples t-test for a problem where we were comparing the no music group versus the high volume group and examining whether there was a significant difference between these two groups in terms of their test scores. When we ran that we had the output that showed a significant difference with the p of .014 between our two groups. Now, alternatively, instead of looking at the p-value we could interpret the ninety-five percent confidence interval and that's what I want to do here. Notice this range does not include zero and you may recall from a previous presentation on the one-sample t that we had said that if zero was not in this range, that indicates that the test is statistically significant; that is, there's a significant difference between our two groups and since this range does not
include zero, the test is significant and we can see that confirmed by a p-value of less than or equal to .05. Another way to think about it is if zero was in this range, say this was negative 1.69
and this was 13.11, zero would be in this range if this was negative
if you saw that then the p-value here would also be greater than .05. So this is another way to interpret the results of the independent samples t-test - we can look at the ninety-five percent confidence interval and once again if zero is not in the range that means the test is statistically significant whereas if zero is included in this range then the test is not statistically significant.
This concludes the presentation on the ninety-five percent confidence interval for the independent samples t-test. Thanks for watching.

Views: 5693
Quantitative Specialists

(Part 2) I demonstrate how to write a high quality results section for an independent samples t-test.

Views: 19813
how2stats

one sample t test using spss for beginners step by step with interpretation

Views: 649
Kirti Joshi

When you want to compare a sample with a population, the one sample t test is what you need. In this exercise you will learn how to compare a sample of 20 measures of systolic blood pressure with a known population mean of 120.

Views: 13095
Eugene O'Loughlin

This video will show you how to verify if there is a difference in the variances of two samples. Basically, we are wondering if one sample is more varied than the other.

Views: 126025
ProfS Taylor

http://www.krohneducation.com/
Shows how to conduct a two sample t-test for independent samples in SAS.

Views: 6294
Krohn - Education

We check the significance of the difference in means between 2 samples using a T Test (in Excel).
Dataset can be downloaded at www.learnanalytics.in/blog/wp-content/uploads/2014/02/car_sales.xlsx

Views: 14954
Learn Analytics

For more on hypothesis testing, visit:
http://www.statisticshowto.com/post-index/critical-values-z-tables-hypothesis-testing/

Views: 79640
Stephanie Glen

How to perform a Brown-Forsythe and Welch F tests in SPSS. These tests are robust to violation of the homogeneity of variance assumption. I also show the degree to which these tests work at keeping alpha close to .05 across various conditions based on published simulation research.

Views: 32733
how2stats

Visit http://www.statisticshowto.com/how-to-do-a-t-test-in-excel-2013/ for more information on t-tests and hypothesis testing

Views: 225642
Stephanie Glen

I demonstrate how to perform a one-sample z-test in SPSS. The z-test is useful to test the hypothesis that a sample mean is equal to a population mean when the population standard deviation (sigma) is known.
The syntax can be found here at the URL below. It's a text file. Copy the contents of the text file into a SPSS syntax file:
https://sites.google.com/site/how2statsdata/one_sample_z_test_SPSS.txt?attredirects=0&d=1

Views: 48883
how2stats

For my undergraduate statistics students, a walk through of your Exam 3 analysis and write up. I'm using a very old copy of SPSS (18), so your screen may look slightly different.

Views: 6321
Amanda Kraha

Using a dog-training example, we compare two types of reinforcement training using an independent samples t-test. We work through the five steps of hypothesis testing, and conduct the independent samples t-test in SPSS. We evaluate the Levene’s Test for Equality of Variances and compute Cohen’s d. Finally, we interpret the results and write them up in proper APA style. (Updated 6/17 to reflect changes in the Effect Size Calculator).
RStats Effect Size Calculator for t Tests available at: http://www.MissouriState.edu/RStats/Tables-and-Calculators.htm

Views: 26924
Research By Design