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The data below are from a sensory deprivation study looking at hearing threshold before and after one hour in a sensory deprivation chamber. Seven subjects had their hearing checked both before and after they were in a dark, silent chamber. Hearing threshold is the minimum sound level you can detect. Test the hypothesis that hearing should be more sensitive (thus lower numbers) after sensory deprivation compared with before (use alpha = .05). BEFORE: 11, 34, 18, 33, 35, 22, 35 AFTER: 13, 31, 18, 29, 32, 20, 28 What is the design of this study? What is the independent variable? What is the dependent variable? n = people Is the hypothesis one-tailed or two-tailed? State the Hypotheses in symbols and words: Họ: in words: H: in words: Create an Excel data file organized by rows. Each row is a participant. Variables – Before, After Open this dataset in JASP. To test the experimenters' hypothesis, perform a related samples t-test by selecting T-Tests > Classical > Paired Samples t-test (Student t). Select After as the first variable then Before as the second variable. Under Alt Hypothesis indicate your directional prediction (Measure 1 < Measure 2) so after < before Under Addt Statistics choose Descriptives. Fill in these values from the significance table: df = Sig. or p level t= Fill in the following from the Descriptives table. Before After Mean hearing threshold: Std. Deviation Std. Error of Mean Under Addt Statistics choose Effect size Record that value here and include it in your conclusion below. Effect size: Cohens d= Using a one-tailed test with alpha = 0.05 level, do you reject Null Hypothesis? Change your Alt HVp to make it a 2-tailed test. With a=.05, 2-tailed test what is the p value? If we ran this as a two-tailed test can we reject Null Hypothesis?

The data below are from a sensory deprivation study looking at hearing threshold before and after one hour in a sensory deprivation chamber. Seven subjects had their hearing checked both before and after they were in a dark, silent chamber. Hearing threshold is the minimum sound level you can detect. Test the hypothesis that hearing should be more sensitive (thus lower numbers) after sensory deprivation compared with before (use alpha = .05). BEFORE: 11, 34, 18, 33, 35, 22, 35 AFTER: 13, 31, 18, 29, 32, 20, 28 What is the design of this study? What is the independent variable? What is the dependent variable? n = people Is the hypothesis one-tailed or two-tailed? State the Hypotheses in symbols and words: Họ: in words: H: in words: Create an Excel data file organized by rows. Each row is a participant. Variables – Before, After Open this dataset in JASP. To test the experimenters' hypothesis, perform a related samples t-test by selecting T-Tests > Classical > Paired Samples t-test (Student t). Select After as the first variable then Before as the second variable. Under Alt Hypothesis indicate your directional prediction (Measure 1 < Measure 2) so after < before Under Addt Statistics choose Descriptives. Fill in these values from the significance table: df = Sig. or p level t= Fill in the following from the Descriptives table. Before After Mean hearing threshold: Std. Deviation Std. Error of Mean Under Addt Statistics choose Effect size Record that value here and include it in your conclusion below. Effect size: Cohens d= Using a one-tailed test with alpha = 0.05 level, do you reject Null Hypothesis? Change your Alt HVp to make it a 2-tailed test. With a=.05, 2-tailed test what is the p value? If we ran this as a two-tailed test can we reject Null Hypothesis?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The data below are from a sensory deprivation study looking at hearing threshold before and after one hour in a sensory deprivation chamber. Seven subjects had their hearing checked both before and after they were in a dark, silent chamber. Hearing threshold is the minimum sound level you can detect. Test the hypothesis that hearing should be more sensitive (thus lower numbers) after sensory deprivation compared with before (use alpha = .05). BEFORE: 11, 34, 18, 33, 35, 22, 35 AFTER: 13, 31, 18, 29, 32, 20, 28 What is the design of this study? What is the independent variable? What is the dependent variable? n = people Is the hypothesis one-tailed or two-tailed? State the Hypotheses in symbols and words: in words: Hị: in words: Create an Excel data file organized by rows. Each row is a participant. Variables – Before, After Open this dataset in JASP. To test the experimenters' hypothesis, perform a related samples t-test by selecting T-Tests > Classical > Paired Samples t-test (Student t). Select After as the first variable then Before as the second variable. Under Alt Hypothesis indicate your directional prediction (Measure 1 < Measure 2) so after < before Under Addt Statistics choose Descriptives. Fill in these values from the significance table: df = Sig. or p level t= Fill in the following from the Descriptives table. Before After Mean hearing threshold: Std. Deviation Std. Error of Mean Under Addt Statistics choose Effect size Record that value here and include it in your conclusion below. Effect size: Cohens d= Using a one-tailed test with alpha = 0.05 level, do you reject Null Hypothesis? Change your Alt Hyp to make it a 2-tailed test. With a=.05, 2-tailed test what is the p value? If we ran this as a two-tailed test can we reject Null Hypothesis? Write a sentence describing the results of the 1-tailed statistical test and include APA statistics.
Transcribed Image Text:The data below are from a sensory deprivation study looking at hearing threshold before and after one hour in a sensory deprivation chamber. Seven subjects had their hearing checked both before and after they were in a dark, silent chamber. Hearing threshold is the minimum sound level you can detect. Test the hypothesis that hearing should be more sensitive (thus lower numbers) after sensory deprivation compared with before (use alpha = .05). BEFORE: 11, 34, 18, 33, 35, 22, 35 AFTER: 13, 31, 18, 29, 32, 20, 28 What is the design of this study? What is the independent variable? What is the dependent variable? n = people Is the hypothesis one-tailed or two-tailed? State the Hypotheses in symbols and words: in words: Hị: in words: Create an Excel data file organized by rows. Each row is a participant. Variables – Before, After Open this dataset in JASP. To test the experimenters' hypothesis, perform a related samples t-test by selecting T-Tests > Classical > Paired Samples t-test (Student t). Select After as the first variable then Before as the second variable. Under Alt Hypothesis indicate your directional prediction (Measure 1 < Measure 2) so after < before Under Addt Statistics choose Descriptives. Fill in these values from the significance table: df = Sig. or p level t= Fill in the following from the Descriptives table. Before After Mean hearing threshold: Std. Deviation Std. Error of Mean Under Addt Statistics choose Effect size Record that value here and include it in your conclusion below. Effect size: Cohens d= Using a one-tailed test with alpha = 0.05 level, do you reject Null Hypothesis? Change your Alt Hyp to make it a 2-tailed test. With a=.05, 2-tailed test what is the p value? If we ran this as a two-tailed test can we reject Null Hypothesis? Write a sentence describing the results of the 1-tailed statistical test and include APA statistics.
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