PSYCH 625 Week 2 Individual Assignment Time to Practice – Week Two
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Complete Parts A, B, and C below.
Part A
Some questions in Part A require that you access data from Statistics for People Who (Think They) Hate Statistics. This data is available on the student website under the Student Text Resources link.
1. Why is a z score a standard score? Why can standard scores be used to compare scores from different distributions
2.For the following set of scores, fill in the cells. The mean is 70 and the standard deviation is 8
3. Questions 3a through 3d are based on a distribution of scores with and the standard deviation = 6.38. Draw a small picture to help you see what is required
4. Jake needs to score in the top 10% in order to earn a physical fitness certificate. The class mean is 78 and the standard deviation is 5.5. What raw score does he need
5. Who is the better student, relative to his or her classmates? Use the following table for information
Part B
Some questions in Part B require that you access data from Using SPSS for Windows and Macintosh. This data is available on the student website under the Student Text Resources link.
The data for Exercises 6 and 7 are in the data file named Lesson 20 Exercise File 1. Answer Exercises 6 and 7 based on the following research problem:
Ann wants to describe the demographic characteristics of a sample of 25 individuals who completed a largescale survey. She has demographic data on the participants’ gender (two categories), educational level (four categories), marital status (three categories), and community population size (eight categories).
6. Using IBM® SPSS® software, conduct a frequency analysis on the gender and marital status variables. From the output, identify the following
7. Using IBM® SPSS® software, create a frequency table to summarize the data on the educational level variable
8. David collects anxiety scores from 15 college students who visit the university health center during finals week. Compute descriptive statistics on the anxiety scores. From the output, identify the following
Part C
Complete the questions below. Be specific and provide examples when relevant.
Cite any sources consistent with APA guidelines
What is the relationship between reliability and validity?
How can a test be reliable but not valid?
Can a test be valid but not reliable?
Why or why not?
How does understanding probability help you understand statistics
How could you use standard scores and the standard distribution to compare the reading scores of two students receiving special reading resource help and one student in a standard classroom who does not get special help
In a standard normal distribution: What does a z score of 1 represent?
What percent of cases fall between the mean and one standard deviation above the mean?
What percent fall between the mean and –1 to +1 standard deviations from the mean?
What percent of scores will fall between –3 and +3 standard deviations under the normal curve
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Complete Parts A, B, and C below.
Part A
Some questions in Part A require that you access data from Statistics for People Who (Think They) Hate Statistics. This data is available on the student website under the Student Text Resources link.
1. Use the following dat..

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Complete Parts A, B, and C below.
Part A
Some questions in Part A require that you access data from Statistics for People Who (Think They) Hate Statistics. This data is available on the student website under the Student Text Resources link.
1. Using the data in the..

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PSYCH 625 Week 3 Learning Team Assignment Statistics Project Descriptive Statistics
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Research in the University Library to find five empirical (those containing data) research articles. Select articles that are of interest to you and include the citations at the end of this document. Place the information for each one in the following tables:
Title of Article:
Questi..

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Complete both Part A and Part B below.
Part A
Some questions in Part A require that you access data from Statistics for People Who (Think They) Hate Statistics. This data is available on the student website under the Student Test Resources link.
1. For the followin..

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PSYCH 625 Week 2 Learning Team Assignment Statistics Project Import Data Into IBM ® SPSS ® Software
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Complete Parts A, B, and C below.
Part A
Some questions in Part A require that you access data from Statistics for People Who (Think They) Hate Statistics. This data is available on the student website under the Student Text Resources link.
1. Why is a z ..

This Tutorial was purchased 10 times & rated A by student like you.
Part A
Some questions in Part A require that you access data from Statistics for People Who (Think They) Hate Statistics. This data is available on the student website under the Student Test Resources link.
1. By hand, compute the mean, median, and mode for the following se..

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For each of the tests of reliability and validity listed on the matrix, prepare a 50 to 100word description of the test’s application. Describe what conditions these reliability types would be used for as well as when they would be inappropriate. Then, for each test, prepare a 50 to 100word d..

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Complete the following questions. Be specific and provide examples when relevant.
Cite any sources consistent with APA guidelines.
What are statistics and how are they used in the behavioral sciences? Your answer should be 100 to 200 words.
Differentiate between descriptive ..

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PSYCH 625 Week 2 Individual Assignment Time to Practice – Week Two
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DQ 1: We have looked at a number of important statistical concepts over the past few weeks and there is value in considering how some of those concepts are employed to drive decisions that impact all of us and our families.
..

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DQ 1: Thomas Bayes who was an English Clergyman in the early 18th century who is known for the Bayes' Theorem. The theorem suggests that science is about conducting research in order to adjust our preexisting beliefs in light of the evidence collected. Conclusions drawn from an e..

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WEEK 4:
DQ 1: What is a research question each of you would like to research?
What are independent and dependent variables?
What would your hypothesis be?
&nb..

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DQ 1: Please read the following article in your Electronic Readings, Null Hypothesis,
CLOSED THINKING: Without scientific competition and open debate, much psychology research goes nowhere
DQ 2: It is suggested that significance tests should be banned for two reason..

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DQ 1: More and more, we are asked to document impact and to measure outcomes. We are asked to provide information about a variety of things through as many varieties of ways. When we go to stores and they ask us for a zip code or phone number. The list could go on and on. ..

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DQ 1: As we begin our venture into statistics, let's pause to examine the role of research in psychology. Psychology is the science of behavior. We think of psychology as counseling, introspection, learning, cognition, etc. How can these processes be the subject of research? How do we reconcile t..
