PSYC 510 Statistics Questions

PSYC 510HOMEWORK: INTRODUCTORY CONCEPTS ASSIGNMENT INSTRUCTIONS
OVERVIEW
This Homework: Introductory Concepts Assignment is designed to assess your understanding of the
introductory concepts for research methods and statistics in the field of psychology. These concepts will serve
as the foundation to understanding how to read and critically evaluate research presented in both
nonprofessional and professional settings. These concepts will also begin building skills needed to help you
design and produce original research in psychology.
INSTRUCTIONS
Be sure you have reviewed this module’s Learn section before completing this Homework: Introductory
Concepts Assignment. This Homework: Introductory Concepts Assignment is worth 60 points. Over a
quarter of this grade (16 pts) is earned by inserting your certificate demonstrating completion of the CITI Social
& Behavioral Researchers Basic Course (note a minimum of 80% is required to pass the course and receive the
certificate) where indicated. Six points are awarded for mechanics/structure. All other point values are next to
each question and/or section.
See the Introductory Concepts: CITI Guided Notes document for details on how to complete this portion of
the Homework: Introductory Concepts Assignment.
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Directions for each subsection are provided in the top of each table (in the blue shaded areas).
Answers should be placed where indicated (wherever there is “ANSWER”).
Submit the file as a WORD document (.doc or .docx). Make sure the filename of your submission includes
your full name, course and section.
o Example: HW1_JohnDoe_510B01
Make sure to check the Homework Grading Rubric before beginning this Homework: Introductory
Concepts Assignment.
Answer the following short-answer questions using complete sentences. (10 pts)
1. Identify and briefly describe the three criteria that help to define science. (3 pts)
ANSWER:
2. State the five main sections of a journal article. Identify one section and describe why you would go
to that section when skimming an article (e.g., what would you expect to find in that section?) (3 pts)
ANSWER:
Test the hypothesis presented in the follow problem: Each of the cards below has a number on one side
and a letter on the other side. Two of the cards have their letter side showing and two have their number side
showing. Here is a rule: “If a card has a vowel on one side, then it has an even number on the other side”.
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PSYC 510
Answer the problem and explain how it relates to hypothesis testing, proof, and disproof as discussed in the
text.
3. In order to check that the rule is true or false,
ANSWER:
which card or cards below would you turn over? Turn
over only the card or cards that you need to check to
be sure. (2 pts)
4. Explain how it relates to hypothesis testing, proof,
and disproof as discussed in the text. (2 pts)
ANSWER:
Answer the following questions related to its associated scenario. (Helpful hint: the “Interact:
Introductory Concepts – Practice Worksheet” for this module covers these topics!). 2 pts each = 20 pts
Scenario 1: In a study of the effects of nicotine on concentration, participants who smoke are compared to
those who do not on a measure of concentration. Identify the independent variable and dependent variable in
this study. Is the independent variable a manipulated variable or a participant variable?
5.
What is the independent variable in this study?
ANSWER:
6.
What is the dependent variable in this study?
ANSWER:
7.
Is the independent variable manipulated or is it a
ANSWER:
participant / subject variable?
8.
What type of research method (descriptive,
ANSWER:
predictive, quasi-experimental, or experimental)? is
used in this study?
9.
What is a potential confounding variable in this
ANSWER:
scenario? You must justify your answer to earn
points on this question.
Scenario 2: In a study comparing learning condition on knowledge acquisition, participants are randomly
assigned to one of the two learning conditions – collaborative group learning or traditional lecture/discussion
method.
10.
What is the independent variable in this study?
ANSWER:
11.
What is the dependent variable in this study?
ANSWER:
12.
Is the independent variable manipulated or is it a
ANSWER:
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PSYC 510
13.
14.
participant / subject variable?
What type of research method (descriptive,
predictive, quasi-experimental, or experimental)? is
used in this study?
What is a potential confounding variable in this
scenario? You must justify your answer to earn
points on this question.
ANSWER:
ANSWER:
Ethics is the foundation to research integrity. There are a lot of ethical dilemmas faced in our
profession, some specific to research. One example is if participation requires a person to recall a
traumatic experience. The recall of the event may result in distress, but participation may be healing.
Also, the research can provide valuable insights to better current treatments and therapies. (8 pts )
15.
16.
Determine the two principles most at odds in the
example provided. Describe how each relates to the
scenario. (3 pts per justification = 6 pts total)
An Animal Care and Use Committee provides
oversight for animal research whereas what
provides oversight for human research at the
institutional level? (2 pts)
ANSWER:
ANSWER:
17. The last 16 points of this assignment are awarded for successful completion of the CITI Social &
Behavioral Researchers Basic Course (note a minimum of 80% is required to pass the course and receive the
certificate). Directions on how to enroll in this course is provided in the CITI Guided Notes document in this
module’s Reading & Study folder. You must paste your certificate (or an image of your certificate) in
the space below to earn full credit. A link is NOT sufficient and will not earn full points.
ANSWER: insert CITI Certificate of Completion
Submit this assignment by 11:59 p.m. (ET) on Sunday of Module 1. Remember to name file appropriately.
Done!
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