SDSU Internal Reliability and Test Retest Reliability Exam Questions answer the following questions that I have attached below. short answers. psychology e

SDSU Internal Reliability and Test Retest Reliability Exam Questions answer the following questions that I have attached below. short answers. psychology exam 1.RESEARCH STUDY 5.4
Dr. Li is interested in creating a measurement of religiosity. According to the dictionary,
religiosity is “the quality of being religious; piety; devoutness.” He creates a measure comprising
10 statements. People respond to each statement using the following scale (1 = strongly disagree,
3 = neither agree nor disagree, 5 = strongly agree). Some of the statements are below.
Statement 1: “I believe in a religion.”
Statement 2: “Part of who I am stems from my religious beliefs.” Statement 3: “I believe that
religion is unnecessary.”
Refer to Research Study 5.4 to answer the following six questions.
Name two types of reliability that apply to Dr. Li’s measure and how each one could be
established, given the above scenario.
2.RESEARCH STUDY 6.3
Dr. Omiata is working on creating a survey designed to measure people’s attitudes toward
marijuana use. For each statement, the person is asked to rate their agreement on a 5-point scale.
A selection of his statements is below.
1 – 5 Strongly agree – Strongly disagree
A. I think that marijuana should be legal in all 50 states and that people should have easy
access to it.
B. Marijuana consumption should never not be controlled.
C. People who smoke marijuana are breaking the law.
Refer to Research Study 6.3 to answer the following question.
For each of Dr. Omiata’s statements, state whether it is well-worded. If it is not, indicate what the
problem is and how it could be fixed.
3. Write three questions designed to measure liking for peanut butter and jelly sandwiches, one
forced- choice, one open-ended, and one with a response scale (scale can be of any type)
4. an observational study was conducted in which two independent observers stood at an
intersection and observed 50 cars pass through the intersection. for each car that passed, they
recorded (yes or no) if the driver was wearing a seatbelt. they agreed 35 times. Calculate
observer reliability, explain your finding and suggest one way to increase reliability.
5. a psychologist is studying attitudes toward banning the use of cell phones while driving. She
randomly chooses 5 students from her introduction to psychology class (which contains 50
students). She asks these 5 students to report their attitudes on a 5-point scale from 1 (oppose) to
5 (support) . using the following data, calculate the margin of error and the confidence interval.
Remember to state your results in sentence format. Use the margin of error formula and show all
work. If you do not show work and have the wrong answer I cannot give you partial credit. Be
sure to round your answer to two decimal places.
Scores = 5,3,4,3,5
s2= .87

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