PSY 326 Week 2 Quiz (2 Set -- 100% Score)

PSY 326 Week 2 Quiz (2 Set -- 100% Score)

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Attachments: PSY 326 Week 2 Quiz 1.docx [ Preview Here ] PSY 326 Week 2 Quiz.docx [ Preview Here ]

This Tutorial contains 2 Set of Quiz

 

Set 1

 

Question 1. A psychology instructor wants to examine the consistency of his exam questions for his psychology course.  He uses a computer program to compute the average correlation between each pair of items to compute Cronbach’s alpha, a measure of ____________________.

 

Question 2. Dr. Simon is trying to determine how taking an exam causes an increase in subsequent memory for material covered on the exam.  What research design should she use?

 

Question 3. ______________________ is a framework for organizing and discussing research designs in terms of the amount of control the research has over the design.

 

Question 4. An investigator is testing a new assessment of anxiety. To examine the efficacy of this new measure, he gives the assessment twice to a group of participants at the beginning of the fall and spring semesters.  He is testing for _______________ .

 

Question 5. Grip strength is a common physical fitness assessment tool which is highly reliable; however, research has demonstrated that it has little relationship with actual fitness levels.  Which of the following best describes the use of grip strength as a measure of physical fitness?

 

Question 6. A researcher is testing out a new personality assessment to determine a participant’s personality type.  He shows that scores from his new measure are unrelated to measures of mood and cognitive ability.  He demonstrated that his new assessment has ___________________.

 

Question 7. Event-related potentials (ERP) is a commonly used _______________________ in which electrodes are placed on the scalp of a participant to measure the electrical activity of the brain during psychological studies.

 

Question 8. In null hypothesis significance testing, power refers to__________.

 

Question 9. Studies have shown there is a relationship between the economic prosperity of a nation and the health of newborn infants.  One study found that there was a negative correlation between wealth (as measured by gross domestic product or GDP) and infant mortality.  Which of the following best describes this relationship?

 

Question 10. In null hypothesis significance testing, we have made a Type II error when___________.

 

 

 

 

Set 2

 

PSY 326 Week 2 Quiz (Set 2)

 

 

 

Question 1.                  ______________ is the statistic representing the probability that our results are due to random chance.

           

 

Question 2.      Dr. Jones is conducting a study with 50 participants.  She created a spreadsheet in which she sorted participants in order of birth, so the oldest participant was first in the list and the youngest participant was last. Next, she coded an AGE variable for each person according to the order they were born (so the oldest is 1 and the youngest is 50).  What type of measurement scale has Dr. Jones used to code her variable of AGE?

 

 Question 3.     ________________ is an assessment of validity based on the association between our measures and relevant behavioral outcomes.     

 

Question 4.      Rhonda conducted a study in which she has tested the effectiveness of the drug DHEA on improving episodic memory in older adults.  She tested her subjects on two different occasions; in one session her subject received a placebo, and second they received 50 mg of DHEA.  At each test session the subjects completed a recognition memory task to measure episodic memory performance. What is Rhonda’s dependent variable?

 

Question 5.      A graduate student at Big State University has begun data collection for a thesis project in which she is asking students about their use of social networking websites.  Her primary interest is in determining how often students use these sites, in what ways, and if there are differences across majors.  What type of research design is this student using?

 

Question 6.                  Dr. Simon is trying to determine how taking an exam causes an increase in subsequent memory for material covered on the exam.  What research design should she use?

 

Question 7.      ______________________ is a framework for organizing and discussing research designs in terms of the amount of control the research has over the design.

 

 

 

Question 8.      In null hypothesis significance testing, power refers to__________.              

 

 

Question 9.      In null hypothesis significance testing, we have made a Type I error when__________.

 

 

Question 10.    A psychology instructor wants to examine the consistency of his exam questions for his psychology course.  He uses a computer program to compute the average correlation between each pair of items to compute Cronbach’s alpha, a measure of ____________________.

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