The document discusses various methods for scaling in marketing research, including nominal, ordinal, interval, and ratio scales. It then compares comparative scaling techniques like paired comparisons and rank ordering, which involve direct comparisons between items, to noncomparative techniques like Likert scales that measure items independently. Finally, it provides examples of using paired comparisons, rank ordering, and constant sum scaling to measure preferences.
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Naive Bayes is a classification algorithm that is suitable for binary and multiclass classification. It is suitable for binary and multiclass classification. Naïve Bayes performs well in cases of categorical input variables compared to numerical variables. It is useful for making predictions and forecasting data based on historical results.
This overview discusses the predictive analytical technique known as Gradient Boosting Regression, an analytical technique that explore the relationship between two or more variables (X, and Y). Its analytical output identifies important factors ( Xi ) impacting the dependent variable (y) and the nature of the relationship between each of these factors and the dependent variable. Gradient Boosting Regression is limited to predicting numeric output so the dependent variable has to be numeric in nature. The minimum sample size is 20 cases per independent variable. The Gradient Boosting Regression technique is useful in many applications, e.g., targeted sales strategies by using appropriate predictors to ensure accuracy of marketing campaigns and clarify relationships among factors such as seasonality, product pricing and product promotions, or for an agriculture business attempting to ascertain the effects of temperature, rainfall and humidity on crop production. Gradient Boosting Regression is just one of the numerous predictive analytical techniques and algorithms included in the Assisted Predictive Modeling module of the Smarten augmented analytics solution. This solution is designed to serve business users with sophisticated tools that are easy to use and require no data science or technical skills. Smarten is a representative vendor in multiple Gartner reports including the Gartner Modern BI and Analytics Platform report and the Gartner Magic Quadrant for Business Intelligence and Analytics Platforms Report.
The Paired Sample T Test is used to determine whether the mean of a dependent variable. For example, weight, anxiety level, salary, or reaction time is the same in two related groups. It is particularly useful in measuring results before and after a particular event, action, process change, etc.
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Naive Bayes is a classification algorithm that is suitable for binary and multiclass classification. It is suitable for binary and multiclass classification. Naïve Bayes performs well in cases of categorical input variables compared to numerical variables. It is useful for making predictions and forecasting data based on historical results.
This overview discusses the predictive analytical technique known as Gradient Boosting Regression, an analytical technique that explore the relationship between two or more variables (X, and Y). Its analytical output identifies important factors ( Xi ) impacting the dependent variable (y) and the nature of the relationship between each of these factors and the dependent variable. Gradient Boosting Regression is limited to predicting numeric output so the dependent variable has to be numeric in nature. The minimum sample size is 20 cases per independent variable. The Gradient Boosting Regression technique is useful in many applications, e.g., targeted sales strategies by using appropriate predictors to ensure accuracy of marketing campaigns and clarify relationships among factors such as seasonality, product pricing and product promotions, or for an agriculture business attempting to ascertain the effects of temperature, rainfall and humidity on crop production. Gradient Boosting Regression is just one of the numerous predictive analytical techniques and algorithms included in the Assisted Predictive Modeling module of the Smarten augmented analytics solution. This solution is designed to serve business users with sophisticated tools that are easy to use and require no data science or technical skills. Smarten is a representative vendor in multiple Gartner reports including the Gartner Modern BI and Analytics Platform report and the Gartner Magic Quadrant for Business Intelligence and Analytics Platforms Report.
The Paired Sample T Test is used to determine whether the mean of a dependent variable. For example, weight, anxiety level, salary, or reaction time is the same in two related groups. It is particularly useful in measuring results before and after a particular event, action, process change, etc.
3. Secondary Data, Online Information Databases, and Measurement.docxtamicawaysmith
3. Secondary Data, Online Information Databases, and Measurement Scaling
1
Primary Scales of Measurement
7
3
8
Scale
Nominal Numbers
Assigned
to Runners
Ordinal Rank Order
of Winners
Interval Performance
Rating on a
0 to 10 Scale
Ratio Time to Finish, in
Seconds
Third
place
Second
place
First
place
Finish
Finish
8.2
9.1
9.6
15.2
14.1
13.4
Primary Scales of Measurement
Nominal Scale: The numbers serve only as labels or tags for identifying and classifying objects.
Ordinal Scale: A ranking scale
Interval Scale: Numerically equal distances on the scale represent equal values in the characteristic being measured.
Ratio Scale: Possesses all the properties of the nominal, ordinal, and interval scales. It has an absolute zero point.
Illustration of Scales of Measurement
Nominal Ordinal Ratio
Scale Scale Scale
Preference $ spent last No. Store Rankings 3 months
1. Parisian
2. Macy’s
3. Kmart
4. Kohl’s
5. J.C. Penney
6. Neiman Marcus
7. Marshalls
8. Saks Fifth Avenue
9. Sears
10.Wal-Mart
Interval
Scale
Preference Ratings
1-7
A Classification of Scaling Techniques
Comparative Scaling Techniques
Paired Comparison Scaling
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The data obtained are ordinal in nature.
Paired comparison scaling is the most widely-used comparative scaling technique.
With n brands, [n(n - 1) /2] paired comparisons are required.
Under the assumption of transitivity, it is possible to convert paired comparison data to a rank order.
Obtaining Shampoo Preferences
Using Paired Comparisons
Instructions: We are going to present you with ten pairs of shampoo brands. For each pair, please indicate which one of the two brands of shampoo you would prefer for personal use.
Recording Form:
aA 1 in a particular box means that the brand in that column was preferred over the brand in the corresponding row. A 0 means that the row brand was preferred over the column brand. bThe number of times a brand was preferred is obtained by summing the 1s in each column.
Paired Comparison Selling
The most common method of taste testing is paired comparison. The consumer is asked to sample two different products and select the one with the most appealing taste. The test is done in private and a minimum of 1,000 responses is considered an adequate sample. A blind taste test for a soft drink, where imagery, self-perception and brand reputation are very important factors in the consumer’s purchasing decision, may n ...
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2. 8-2
Chapter Outline
1) Overview
2) Measurement and Scaling
3) Primary Scales of Measurement
i. Nominal Scale
ii. Ordinal Scale
iii. Interval Scale
iv. Ratio Scale
4) A Comparison of Scaling Techniques
3. 8-3
Chapter Outline
5) Comparative Scaling Techniques
i. Paired Comparison
ii. Rank Order Scaling
iii. Constant Sum Scaling
iv. Q-Sort and Other Procedures
6) Verbal Protocols
7) International Marketing Research
8) Ethics in Marketing Research
5. 8-5
Measurement and Scaling
Measurement means assigning numbers or other
symbols to characteristics of objects according to
certain prespecified rules.
One-to-one correspondence between the numbers
and the characteristics being measured.
The rules for assigning numbers should be
standardized and applied uniformly.
Rules must not change over objects or time.
6. 8-6
Measurement and Scaling
Scaling involves creating a continuum upon which
measured objects are located.
Consider an attitude scale from 1 to 100. Each
respondent is assigned a number from 1 to 100, with
1 = Extremely Unfavorable, and 100 = Extremely
Favorable. Measurement is the actual assignment of
a number from 1 to 100 to each respondent. Scaling
is the process of placing the respondents on a
continuum with respect to their attitude toward
department stores.
7. 8-7
7 38
Primary Scales of Measurement
Scale
Nominal Numbers
Assigned
to Runners
Ordinal Rank Order
of Winners
Interval Performance
Rating on a
0 to 10 Scale
Ratio Time to
Finish, in
Seconds
Figure 8.1
Third
place
Second
place
First
place
Finish
Finish
8.2 9.1 9.6
15.2 14.1 13.4
8. 8-8
Primary Scales of Measurement
Nominal Scale
The numbers serve only as labels or tags for
identifying and classifying objects.
When used for identification, there is a strict one-to-
one correspondence between the numbers and the
objects.
The numbers do not reflect the amount of the
characteristic possessed by the objects.
The only permissible operation on the numbers in a
nominal scale is counting.
Only a limited number of statistics, all of which are
based on frequency counts, are permissible, e.g.,
percentages, and mode.
10. 8-10
Primary Scales of Measurement
Ordinal Scale
A ranking scale in which numbers are assigned to
objects to indicate the relative extent to which the
objects possess some characteristic.
Can determine whether an object has more or less of
a characteristic than some other object, but not how
much more or less.
Any series of numbers can be assigned that
preserves the ordered relationships between the
objects.
In addition to the counting operation allowable for
nominal scale data, ordinal scales permit the use of
statistics based on centiles, e.g., percentile, quartile,
median.
11. 8-11
Primary Scales of Measurement
Interval Scale
Numerically equal distances on the scale represent
equal values in the characteristic being measured.
It permits comparison of the differences between
objects.
The location of the zero point is not fixed. Both the
zero point and the units of measurement are
arbitrary.
Any positive linear transformation of the form y = a
+ bx will preserve the properties of the scale.
It is meaningful to take ratios of scale values.
Statistical techniques that may be used include all of
those that can be applied to nominal and ordinal
data, and in addition the arithmetic mean, standard
deviation, and other statistics commonly used in
marketing research.
12. 8-12
Primary Scales of Measurement
Ratio Scale
Possesses all the properties of the nominal, ordinal,
and interval scales.
It has an absolute zero point.
It is meaningful to compute ratios of scale values.
Only proportionate transformations of the form y =
bx, where b is a positive constant, are allowed.
All statistical techniques can be applied to ratio data.
13. 8-13
Primary Scales of Measurement
Table 8.1
Scale Basic
Characteristics
Common
Examples
Marketing
Examples
Nominal Numbers identify
& classify objects
Social Security
nos., numbering
of football players
Brand nos., store
types
Percentages,
mode
Chi-square,
binomial test
Ordinal Nos. indicate the
relative positions
of objects but not
the magnitude of
differences
between them
Quality rankings,
rankings of teams
in a tournament
Preference
rankings, market
position, social
class
Percentile,
median
Rank-order
correlation,
Friedman
ANOVA
Ratio Zero point is fixed,
ratios of scale
values can be
compared
Length, weight Age, sales,
income, costs
Geometric
mean, harmonic
mean
Coefficient of
variation
Permissible Statistics
Descriptive Inferential
Interval Differences
between objects
Temperature
(Fahrenheit)
Attitudes,
opinions, index
Range, mean,
standard
Product-
moment
14. 8-14
A Classification of Scaling Techniques
Likert
Semantic
Differential
Stapel
Figure 8.2
Scaling Techniques
Noncomparative
Scales
Comparative
Scales
Paired
Comparison
Rank
Order
Constant
Sum
Q-Sort and
Other
Procedures
Continuous
Rating Scales
Itemized
Rating Scales
15. 8-15
A Comparison of Scaling Techniques
Comparative scales involve the direct comparison
of stimulus objects. Comparative scale data must be
interpreted in relative terms and have only ordinal or
rank order properties.
In noncomparative scales, each object is scaled
independently of the others in the stimulus set. The
resulting data are generally assumed to be interval or
ratio scaled.
16. 8-16
Relative Advantages of Comparative Scales
Small differences between stimulus objects can be
detected.
Same known reference points for all respondents.
Easily understood and can be applied.
Involve fewer theoretical assumptions.
Tend to reduce halo or carryover effects from one
judgment to another.
17. 8-17
Relative Disadvantages of Comparative Scales
Ordinal nature of the data
Inability to generalize beyond the stimulus objects
scaled.
18. 8-18
Comparative Scaling Techniques
Paired Comparison Scaling
A respondent is presented with two objects and
asked to select one according to some criterion.
The data obtained are ordinal in nature.
Paired comparison scaling is the most widely used
comparative scaling technique.
With n brands, [n(n - 1) /2] paired comparisons are
required
Under the assumption of transitivity, it is possible to
convert paired comparison data to a rank order.
19. 8-19
Obtaining Shampoo Preferences
Using Paired Comparisons
Figure 8.3
Instructions: We are going to present you with ten pairs of
shampoo brands. For each pair, please indicate which one of the two
brands of shampoo you would prefer for personal use.
Recording Form: Jhirmack Finesse Vidal
Sassoon
Head &
Shoulders
Pert
Jhirmack 0 0 1 0
Finesse 1a
0 1 0
Vidal Sassoon 1 1 1 1
Head & Shoulders 0 0 0 0
Pert 1 1 0 1
Number of Times
Preferredb
3 2 0 4 1
aA 1 in a particular box means that the brand in that column was preferred
over the brand in the corresponding row. A 0 means that the row brand was
preferred over the column brand. bThe number of times a brand was preferred
is obtained by summing the 1s in each column.
20. 8-20
Paired Comparison Selling
The most common method of taste testing is paired comparison. The
consumer is asked to sample two different products and select the one
with the most appealing taste. The test is done in private and a
minimum of 1,000 responses is considered an adequate sample. A blind
taste test for a soft drink, where imagery, self-perception and brand
reputation are very important factors in the consumer’s purchasing
decision, may not be a good indicator of performance in the
marketplace. The introduction of New Coke illustrates this point. New
Coke was heavily favored in blind paired comparison taste tests, but its
introduction was less than successful, because image plays a major role
in the purchase of Coke.
A paired comparison
taste test
21. 8-21
Comparative Scaling Techniques
Rank Order Scaling
Respondents are presented with several objects
simultaneously and asked to order or rank them
according to some criterion.
It is possible that the respondent may dislike the
brand ranked 1 in an absolute sense.
Furthermore, rank order scaling also results in ordinal
data.
Only (n - 1) scaling decisions need be made in rank
order scaling.
22. 8-22
Preference for Toothpaste Brands
Using Rank Order Scaling
Figure 8.4
Instructions: Rank the various brands of toothpaste in order
of preference. Begin by picking out the one brand that you like
most and assign it a number 1. Then find the second most
preferred brand and assign it a number 2. Continue this
procedure until you have ranked all the brands of toothpaste
in order of preference. The least preferred brand should be
assigned a rank of 10.
No two brands should receive the same rank number.
The criterion of preference is entirely up to you. There is no
right or wrong answer. Just try to be consistent.
23. 8-23
Brand Rank Order
1. Crest _________
2. Colgate _________
3. Aim _________
4. Gleem _________
5. Macleans _________
6. Ultra Brite _________
7. Close Up _________
8. Pepsodent _________
9. Plus White _________
10. Stripe _________
Preference for Toothpaste Brands
Using Rank Order Scaling
Figure 8.4 cont.
Form
24. 8-24
Comparative Scaling Techniques
Constant Sum Scaling
Respondents allocate a constant sum of units, such
as 100 points to attributes of a product to reflect
their importance.
If an attribute is unimportant, the respondent assigns
it zero points.
If an attribute is twice as important as some other
attribute, it receives twice as many points.
The sum of all the points is 100. Hence, the name of
the scale.
25. 8-25
Importance of Bathing Soap Attributes
Using a Constant Sum Scale
Figure 8.5
Instructions
On the next slide, there are eight attributes of
bathing soaps. Please allocate 100 points among
the attributes so that your allocation reflects the
relative importance you attach to each attribute.
The more points an attribute receives, the more
important the attribute is. If an attribute is not at
all important, assign it zero points. If an attribute is
twice as important as some other attribute, it
should receive twice as many points.
26. 8-26
Figure 8.5 cont.
Form
Average Responses of Three Segments
Attribute Segment I Segment II Segment III
1. Mildness
2. Lather
3. Shrinkage
4. Price
5. Fragrance
6. Packaging
7. Moisturizing
8. Cleaning Power
Sum
8 2 4
2 4 17
3 9 7
53 17 9
9 0 19
7 5 9
5 3 20
13 60 15
100 100 100
Importance of Bathing Soap Attributes
Using a Constant Sum Scale