Exam (elaborations)
Psychology 10th Edition by Douglas Bernstein - Test Bank
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- Psychology
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- Psychology
Test Bank For Psychology 10th Edition by Douglas Bernstein - Complete Test Bank
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,1. Dr. Banguna is conducting an experiment to discover the effects of money payments (independent variable) on workperformance (dependent variable). Dr. Banguna's null hypothesis would state ____.
a. the size of the payment will not affect the level of work performance
b. the larger the payment the higher the level of work performance
c. the smaller the payment the lower the level of work performance
d. no payment will cause no work to be performed at all
ANSWER: a
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Apply
2. Renata runs a study looking at the drinking habits of undergraduates, and suspects the results would show that the amount a
student drank will be related to his or her grade-point average (GPA). Instead, she finds that drinking habits (amount of drinks
per week) are not related to GPA. This means that ____.
a. Renata's hypothesis is true
b. there is a negative correlation between alcohol consumption and GPA
c. there is a positive correlation between alcohol consumption and GPA
d. the null hypothesis is supported
ANSWER: d
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Analyze
3. Anqi is creating a picture-like graphic for her research paper. This graphic will be used to summarize and describe data she
collected. Anqi is creating a ____.
a. bar graph
b. histogram
c. pictograph
d. descriptogram
ANSWER: b
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Understand
4. Professor Jenrick has just completed an experiment in which he observed how many times a particular color was selected
when 100 people were each given a choice of red, green, or blue. He represents the data graphically by constructing three boxes
(labeled Red, Green, and Blue) whose heights are proportional to the number of times each color was chosen. Professor Jenrick
has constructed a ____ of the data.
a. histogram
b. height chart
c. central tendency measure
d. statistical significance indicator
ANSWER: a
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Understand
5. The most basic use of histograms is to ____.
a. establish that the null hypothesis is true
b. determine whether an analysis of variance is needed
c. analyze data statistically
d. better understand the shape of the data
,ANSWER: d
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Understand
6. Professor Kipling is discussing statistics in your introductory psychology class. She explains that descriptive statistics
are invaluable because they allow psychologists to ____.
a. describe the relationship between two variables
b. summarize a pool of data
c. determine whether a data set is normally distributed
d. determine whether the differences between two groups are significant
ANSWER: b
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Understand
7. Descriptive statistics will allow you to compute ____.
a. a t-test
b. central tendency
c. the likelihood that results came about by chance
d. analysis of variance
ANSWER: c
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Understand
8. Which of the following is one of the basic categories of descriptive statistics?
a. measures of central tendency
b. inferring causation
c. expressing the difference between two group means
d. predicting proportions in a population
ANSWER: a
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Understand
9. Malcolm discovers that he has made 903 observations for his research study. Which abbreviation would he use to denote the
total number of observations made?
a. X
b. Y
c. SD
d. N
ANSWER: d
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Understand
10. Your instructor comes to class with the results of the last quiz. She tells you that the average score was 7 (out of a possible
10) and that the median was 6. These are measures of ____.
a. dispersion
b. central tendency
c. variance
, d. range
ANSWER: b
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Understand
11. Your friend places 11 numbers into a hat without showing you what those numbers are. He tells you he will give you $10 if
you can guess the exact number that he will randomly pick out of the hat. He says that the mean of the numbers is 5, the median
is 6, and the mode is 8. What would your best guess be?
a. 5
b. 6
c. 8
d. Any random number between 1 and 11; knowing the statistics won't help
ANSWER: c
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Apply
12. Dorothea conducts a survey to find out how many national parks people have visited in the past two years. She polls twenty
people and finds that ten people have visited no national parks; five people have visited one national park; four people have
visited two national parks; and one person has visited twenty national parks. Which measure of central tendency should
Dorothea use to provide the most accurate picture of her data?
a. Mean
b. Median
c. Mode
d. Standard deviation
ANSWER: b
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Apply
13. Abby, Chrissy, and Kate are teammates playing “Win, Lose, or Draw.” They need exactly 10 points to win and must choose
who will draw next. They have some statistics on the points each girl gets when she draws: Abby has a mean of 10 points,
Chrissy has a median of 10 points, and Kate has a mode of 10 points. Which girl should draw to have the best chance of
winning?
a. Abby
b. Chrissy
c. Kate
d. Both Kate and Abby
ANSWER: c
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Apply
14. The mean is ____.
a. the difference between the highest and lowest scores
b. the arithmetic average
c. one-half of the range
d. the most frequent score
ANSWER: b
REFERENCES: Describing Data
KEYWORDS: Bloom’s: Understand
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