MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Read the following experiments and match the most appropriate statistical test:
A) z-test B) 1-test C) 1-test independent samples D) 1-test related samples E) ANOVA F)
Factorial ANOVA G) Repeated Measures NOVA H) Pearson Correlation I) Chi Square (1
point each)
a. A high school counselor wants to determine if there is a difference in SAT scores for
students who take the test as a freshman, sophomore, junior, or senior. A random
sample of 25 students from each class was asked to take the SAT and their scores
were recorded.
b. A marketing director developed a short television commercial to improve the image
of a company. The commercial was tested on 20 people. People's attitudes about the
company were measured with a questionnaire when they first came in for the
experiment and then again after viewing the commercial.
C.
A researcher wants to examine the accuracy of people's judgment of time.
Individuals were placed in a waiting room with no time cues for 15 minutes. After
this time, the researcher asked the participants to judge how much time had passed
d. An I/O psychologist wants to know if there is a difference in worker evaluations
depending if the evaluator is a male or female. 15 men and 15 women managers
were asked to evaluate the same group worker files. The scores on the worker
evaluations were recorded for each manager.
e. A psychologist wants to determine the effect of relaxing music on a person's
reaction to a stressful event . Participants were randomly assigned to one of three
groups. A participant was brought into a room with no windows and only one door.
In the background, soft classical music, heavy rock music, or no music at all was
playing. After a set amount of time, a fire alarm went off, and smoke started coming
from under the door. A hidden video camera records the participant's behavior that
is later scored by the experimenter. Time for the participant to exit the room was
recorded.
f. A social worker wants to know if there is a relationship between the number of
foster children living with a family and a child's academic success in elementary
school. The school GPA and number of children living in the household was
recorded for 50 foster children.
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