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Exam 9: Measurement and Scaling

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Question 1

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is a form of internal consistency reliability in which the items constituting the scale are divided into two halves and the resulting half scores are correlated.

A) Test- retest reliability
B) Internal consistency reliability
C) Alternative- forms reliability
D) Split- half reliability

E) A) and C)
F) None of the above

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Question 2

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What are some of the ethical responsibilities of researchers when they are developing scales?

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The researcher has the ethical responsib...

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Question 3

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A multi- item scale should be evaluated for accuracy and applicability. This involves an assessment of all of the following except .

The is confusing and difficult to apply. It is the least used of the itemized scales.

is a measure of construct validity that measures the extent to which the scale correlates positively with other measures of the same construct.

In an itemized rating scale, the respondents are provided with a scale that has a number or brief description associated with each category.

Non- comparative scales are often referred to as monadic scale.

Which statement is not true if deciding on the number of scale categories to use in a non- comparative itemized rating scale?

When determining the number of scale categories to use in a non- comparative itemized rating scale, the nature of the object is relevant.

When choosing a scaling technique, which of the following factors should be considered?

It has been found that providing a verbal description for each scale category consistently improves the accuracy or reliability of the data.

What six major decisions must the researcher make when constructing non- comparative itemized rating scales?

is a type of construct validity that assesses the extent to which a measure does not correlate with other constructs from which it is supposed to differ.

Perfect validity requires that there be no measurement error, therefore: (X_O = X_T, X_R = 0, X_S = 0).

The negative adjective or phrase sometimes appears at the left side of the scale and sometimes at the right. This controls the tendency of some respondents, particularly those with very positive or negative attitudes, to mark the right- or- left- hand sides without reading the labels.

The researcher can bias the scales by either biasing the wording of the statements (Likert type scales), the scale descriptors, or other aspects of the scale.

The Likert scale is also referred to as a summated scale.

Reliability is assessed by determining the proportion of random variation in a scale.

X_O = X_T + X_S + X_R represents the pure score model.

Using several scale items to measure the characteristic of interest provides more accurate measurement than a single- item scale.