P501psq2 | Psychology homework help

 

In addition to solving the problems, write a 3 – 5 page APA formatted paper explaining the process that lead to the resolution.

 

* Calculators may be used to check answers where calculators are part of assignments but you must show your work and not just state the answers.

 

Chapter 6 exercises

 

4.  In a study on caffeine and stress, college students indicated how many cups of coffee they drink per day and their stress level on a scale of 1 to 10. The data are provided in the following table.

 

Number of cups of coffee            stress level

 

               3                                                          5

 

               2                                                          3

 

               4                                                          3

 

               6                                                          9

 

               5                                                          4

 

               1                                                          2

 

7                                                          10

 

3                                                          5

 

2                                                          3

 

4                                                          8

 

Calculate a pearson’s r to determine the type and strength of the relationship between caffeine and stress level. How much of the variability in stress scores is accounted for by the number of cups of coffee consumed per day?

 

6. Assuming that the regression equation for relationship between IQ score and psychology exam score is Y’ = 9 + 0. 274, what would you expect the psychology exam score to be for the following individuals given their IQ exam scores?

 

Individual            IQ SCORE (X)      Psychology Exam Score (Y)

 

Tim                       118

 

Tom                      98

 

Tina                      107

 

Tory                      103

 

Chapter 7 Exercises

 

8. The admissions counselors at Brainy University believe that the freshman class they have just recruited is the brightest yet. If they want to test this belief (that the freshmen are brighter than the other classes), what are the null and alternative hypotheses? Is this a one- or two tailed hypothesis test?

 

10. A researcher believes that family size has increased in the past decade in comparison to the previous decade- that is, people are now having more children than they were before. What are the null and alternative hypotheses in a study designed to assess this? Is this a one- or two-tailed hypothesis test?

 

12. Assume that each of the following conclusions represents an error in hypothesis testing. Indicate whether each of the statements is a type I or a type II error.

 

a. based on the date, the null hypothesis is rejected.

 

b. there is no significant difference in quality of care between nurses who work 8 and 12hour shifts.

 

c. there is a significant difference between right and left handers in their ability to perform a spatial task.

 

d. the researcher fails to reject the null hypothesis based on these data.

 

Get 20% Discount on This Paper
Pages (550 words)
Approximate price: -

Try it now!

Get 20% Discount on This Paper

We'll send you the first draft for approval by at
Total price:
$0.00

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.

Our Services

Academic Solvers has put together a group of highly qualified writers with a wide range of expertise in the online writing community. Our goal is to become your one-stop shop for all academic and online writing needs. Take a look at our fantastic service below!

Editing

Research Paper Editing

At Academic SolversEditing your research paper could prove to be difficult especially amidst the tight schedules that students have. At academicsolvers.net, we offer research paper editing services. The services include proofreading and use of online platforms such as Grammarly and Turnitin to address any concerns that may arise within the paper. Get our services and you will have satisfactory results.

Research Paper

Custom Research Paper

Writing a research paper could be quite hectic especially if it is your first time. Identifying the research topic, finding the references and interpreting information could pose significant challenges. However, this should not be issues of concern anymore. At academicsolvers.net, we offer solutions to research papers. We deliver plagiarism free and quality research papers that are customized to suit your needs.

Editing

Online Proofreading

Despite writing expertise and skills, you are never guaranteed of error free papers. Academic solvers’ online proofreading services leaves no mistake unaddressed. We go through your paper using a variety of online tools that help to ensure that we edit your paper and make it error free. We have collected a group of experts hence can guarantee quality proofreading services.

Coursework

Cheap Research Papers

Do you have difficulties writing your research paper? Are you afraid of the cost of hiring a professional to write your research papers? Worry no more. At academicsolvers.net we address both of your problems. We are equipped with a large number of professional writers. Second, we offer our research paper writing services at cheap prices that are largely affordable. Don’t miss this chance. Order our cheap research papers today.

Coursework

College Assignment

College assignment could be one of the biggest challenges to students especially working with tight schedules. Academicsolvers.net acts to bridge this gap existing between getting satisfactory grades and meeting deadlines. Our college assignment professionals provide students with quality, plagiarism free and confidential assignment help that helps them to achieve desired grades and outcomes.

Coursework

Essay Help

Essays are some of the most critical elements in the academic life of a student. At academic solvers we prioritize providing quality essays. As such, our professional ensure that they address issues of grammar, structure and plagiarism to provide essays that meet the need of the client. Here, we focus on developing content that aims at addressing the subject in question through the expertise of our professional and experienced writers. Try our services and we guarantee succes.