Question

Please follow the Null Hypothesis Testing Procedure for these problems. Calculate by hand and show all...

Please follow the Null Hypothesis Testing Procedure for these problems. Calculate by hand and show all your work to support your conclusions including documenting the critical values. Use an alpha = .05 for all your tests.

Related Samples T-Test

Now assume that the same study described above was conducted as a within-subjects study. Instead of 10 people, this within-subjects study was conducted with 5 people. The following table contains the time on task for the participants.

Subject #

Original Venmo App

Redesigned Venmo App

Subject A

180

140

Subject B

210

155

Subject C

220

160

Subject D

175

165

Subject E

200

190

Please conduct a related samples t-test on this data.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Complete the following for each problem below (this should all be calculated by hand, show work...
Complete the following for each problem below (this should all be calculated by hand, show work to receive full credit): a) State the null and alternative hypotheses (2 pts) b) Choose the appropriate statistical procedure (independent or paired t-test) (2 pt) c) Identify the level of significance and corresponding critical value (2 pts) d) Calculate t (5 pts) e) Express your results in terms of p-values (p < or p > α) (1 pt) f) Determine whether your results are...
Please Show All Work !! and Number. Thank You! QUESTION 31 A social psychologist is interested...
Please Show All Work !! and Number. Thank You! QUESTION 31 A social psychologist is interested in determining whether the presence of other children influences creativity scores on a task. The children in the study first performed a task by themselves and then performed a similar one in a group setting (with all participants in the same room, but working independently). The data are presented in the table below. Conduct the Related-Samples Sign Test using SPSS to determine whether there...
For Hypothesis testing and Decision making problems, please do the following: 1. State the null and...
For Hypothesis testing and Decision making problems, please do the following: 1. State the null and alternate hypothesis. 2. Write down the proper test statistic. 3. Show all calculations. 4. Show the critical value. (5. State your conclusions. 1a. In a study of children with congenital heart disease, researchers gathered data on age (in months) of ‘first’ walking from 16 children with acyanotic heart disease. From larger studies on normal children, the researchers know that mean age of walking for...
Can someone please explain the last three parts of this question parts 7-9. A cholesterol level...
Can someone please explain the last three parts of this question parts 7-9. A cholesterol level over 200 is considered high. The manufacturers of a certain brand of cereal are interested in whether eating their cereal for breakfast daily will result in a decrease in cholesterol levels for people with high cholesterol. They randomly select ten people with high cholesterol to participate in the study. Each subject eats the cereal every morning for a month. The cholesterol levels of each...
Please note that for all problems in this course, the standard cut-off (alpha) for a test...
Please note that for all problems in this course, the standard cut-off (alpha) for a test of significance will be .05, and you always report the exact power unless SPSS output states p=.000 (you’d report p<.001). Also, remember when hand-calculating, always use TWO decimal places so that deductions in grading won’t be due to rounding differences. Problem Set 1: (22 pts) A teacher wanted to see if a new pedagogical approach was beneficial to students, and if the effects vary...
Does our cognitive capacity change as we age? Researchers have noted a change in cognitive functioning...
Does our cognitive capacity change as we age? Researchers have noted a change in cognitive functioning as people age (Bartus, 1990). However, the results from other research suggests that the antioxidants in foods such as blueberries may reduce and even reverse these age-related declines. You decide to conduct your own study using a related-samples (within-subjects) design, to determine if a blueberry supplement can change cognitive capacity in older adults. You will use an alpha level = .05, and choose to...
Student What is your height in inches? What is your weight in pounds? What is your...
Student What is your height in inches? What is your weight in pounds? What is your cumulative Grade Point Average (GPA) at FTCC or your primary college? How many hours do you sleep each night? 1 67 100 4 7 2 62 105 4 5 3 72 120 4 8 4 61 125 4 7 5 56 105 3.7 6 6 61 120 4 7 7 65 172 3.8 7 8 72 235 3.22 5 9 63 135 4 6...
When is a hypothesis considered scientific? a. when it is based on something other than observation...
When is a hypothesis considered scientific? a. when it is based on something other than observation b. when it can be tested and is refutable c. when it relies on anecdotal evidence d. when it relies on mystical explanations e. All hypotheses are considered scientific until experiments determine otherwise. 3. Of the following, which is the earliest step in the scientific process? a. generating a hypothesis b. analyzing data c. conducting an experiment d. drawing a conclusion e. developing a...
________ client-centered therapy centers on the patient's goals and ways of solving problems. Select one: a....
________ client-centered therapy centers on the patient's goals and ways of solving problems. Select one: a. Rogers' b. Freud's c. Beck d. Ellis Question 2 Not yet answered Points out of 1.00 Flag question Question text A frequently prescribed drug therapy for managing one's depression is ____________. Select one: a. Adderall b. Lithium c. Prozac d. Thorazine Question 3 Not yet answered Points out of 1.00 Flag question Question text A major goal of modern inpatient psychiatric treatment is: Select...
Bivariate Data & Probability After completing the calculation by hand in Q1 you can use Excel...
Bivariate Data & Probability After completing the calculation by hand in Q1 you can use Excel to check your answers before submitting. Q2 assesses your general understanding of probability and linear associations using Excel to analyse a large dataset. Question 1       Covariance and Correlation The table below shows a set of sample bivariate data. Calculate the covariance and correlation coefficient by completing the below table. Show all working. X Y (X - ) (Y - ) (X - )(Y -...