Reference no: EM131084398
Dr. Doodley thought that fast music enhanced people's work performance; she decided to run an experiment to test this idea. She chose two secretarial pools to study. One pool did legal typing, and the other did medical typing. (By the way, all of the secretaries in both offices happened to be women.) Dr. Doodley convinced the supervisor of each pool to let her play music in the office for a week. In one office, she played fast music every day. In the other office, she played slow music. (Unfortunately, the slow music was taped from an old record, so it did have a slight hiss.
However, the fast music was fine.) At the end of the week, Dr. Doodley convinced both supervisors to let her do all of the performance evaluations. She found that the first pool had an average performance rating of 90 points (out of 100 possible), while the second group averaged only 60 points (out of 100). Dr. Doodley found that the difference in scores between the two groups was statistically significant, so she concluded that fast music enhances people's work performance.
1. State the experimental hypothesis of this experiment, and label the independent and dependent variables. Which was the experimental group? Was an appropriate control group used? Why or why not?
2. Can you find anything wrong with Dr. Doodley's experiment or conclusion? List any problems you notice, and explain how they might have affected Dr. Doodley's results.
3. How could this experiment be improved?
|
Unpacking the invisible knapsack
: In the article, "White Privilege: Unpacking the Invisible Knapsack," Peggy McIntosh states: "For me white privilege has turned out to be an elusive and fugitive subject.
|
|
Determines the price investor will have to pay for option
: Nancy, an investor in ErenCo, decides to buy a put option on ErenCo stock with a strike price (exercise price) of $9 which expires on the third Friday of May, 2016. What would she have to pay in today’s market for this option? In general, what determ..
|
|
Identify three surprising concepts about religion
: Explain what religion is, and give your opinion as to whether religion is different from spirituality. Identify three surprising concepts that you learned about religion in this course, and explain why they surprised you.
|
|
Spread of christianity in the late antiquity
: Discuss the spread of Christianity in the late antiquity. What changes and developments came with the growth of Christianity?
|
|
State the experimental hypothesis of this experiment
: State the experimental hypothesis of this experiment, and label the independent and dependent variables. Which was the experimental group? Was an appropriate control group used? Why or why not?
|
|
Parties and pretrial procedures
: Much of the work of the criminal justice system will never be seen by the general public. Prosecutors, defense attorneys, and grand juries determine the course of criminal cases well before a case is even committed to a public docket.
|
|
How american indian culture has been uniquely shaped
: Identify an American Indian culture. Briefly describe how that culture has been uniquely shaped by its landscape and history. Describe how the American Indian culture's worldview that you chose is impacted by and influences their association with t..
|
|
How many ways are there to write n as sum of integers
: Let n be a fixed positive integer. How many ways are there to write n as a sum of positive integers, n = a1 + a2 + · · · + ak, with k an arbitrary positive integer and a1 ≤ a2 ≤ · · · ≤ ak ≤ a1 + 1. For example, if n = 4, there are four ways: 4, 2+2,..
|
|
Draw the structure of (s)-2-iodobutane
: Draw the structure of (S)-2-iodobutane.
|