Research Methods for the Behavioral Sciences (MindTap Course List)
5th Edition
ISBN: 9781305104136
Author: Frederick J Gravetter, Lori-Ann B. Forzano
Publisher: Wadsworth Publishing
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Textbook Question
Chapter 3, Problem 9E
Identify the scale of measurement that
allows each of the following conclusions.
- Tom’s score is larger than Bill’s, but we cannot say how much larger.
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21. ANALYSIS OF LAST DIGITS Heights of statistics students were obtained by the author as
part of an experiment conducted for class. The last digits of those heights are listed below.
Construct a frequency distribution with 10 classes. Based on the distribution, do the
heights appear to be reported or actually measured? Does there appear to be a gap in the
frequencies and, if so, how might that gap be explained? What do you know about the
accuracy of the results?
3 4
555
0 0 0 0 0 0 0 0 0 1 1 23 3
5 5 5 5 5 5 5 5 5 5 5 5 6 6 8 8 8 9
A side view of a recycling bin lid is diagramed below where two panels come together at a right angle.
45 in
24 in
Width? —
Given this information, how wide is the recycling bin in inches?
1 No.
2
3
4
Binomial Prob.
X
n
P
Answer
5
6 4
7
8
9
10
12345678
8
3
4
2
2552
10
0.7
0.233
0.3
0.132
7
0.6
0.290
20
0.02
0.053
150
1000
0.15
0.035
8
7
10
0.7
0.383
11
9
3
5
0.3
0.132
12
10
4
7
0.6
0.290
13
Poisson Probability
14
X
lambda
Answer
18 4
19
20
21
22
23 9
15
16
17 3
1234567829
3
2
0.180
2
1.5
0.251
12
10
0.095
5
3
0.101
7
4
0.060
3
2
0.180
2
1.5
0.251
24 10
12
10
0.095
Chapter 3 Solutions
Research Methods for the Behavioral Sciences (MindTap Course List)
Ch. 3.2 - Define a construct and explain the role that...Ch. 3.2 - Define an operational definition and explain the...Ch. 3.3 - Define a positive relationship and a negative...Ch. 3.3 - Define the validity of measurement and explain why...Ch. 3.3 - Define the reliability of measurement and explain...Ch. 3.4 - Compare and contrast the four scales of...Ch. 3.5 - Identify the three modalities of measurement and...Ch. 3.6 - Define a ceiling effect and a floor effect and...Ch. 3.6 - Define an artifact and explain how examples of...Ch. 3 - In addition to the key words, you should also be...
Ch. 3 - Some variables, such as height, can be measured...Ch. 3 - Briefly explain what an operational definition is...Ch. 3 - A researcher evaluates a new cholesterol...Ch. 3 - A clinical researcher has developed a new test for...Ch. 3 - Suppose that a social scientist has developed a...Ch. 3 - Explain how inter-rater reliability is...Ch. 3 - A researcher claims that intelligence can be...Ch. 3 - Identify the scale of measurement that allows each...Ch. 3 - What is the primary advantage of self-report...Ch. 3 - Describe the strengths and weaknesses of...Ch. 3 - What is a ceiling effect, and how can it be a...Ch. 3 - What are demand characteristics, and how do they...Ch. 3 - Describe how the concept of participant reactivity...Ch. 3 - Select a subject and use a full-text database such...Ch. 3 - Select one construct from the following list:...Ch. 3 - For each of the following operational definitions,...
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