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Understanding Interval Scale Characteristics

17 Questions

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Understanding Interval Scale Characteristics

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Questions and Answers

What is the key characteristic of an interval scale that distinguishes it from other measurement scales?

It allows unit conversions

It can be used to quantify the difference between values (correct)

It has negative numbers

It has a true zero point

Which of the following is an example of an interval scale?

Likert scale

Age

Weight in kilograms

IQ test scores (correct)

What is the key distinguishing feature of a ratio scale compared to other measurement scales?

It has a true zero point (correct)

It has negative numbers

It lacks a true zero point

It cannot be used for unit conversions

Which of the following is an example of a ratio scale?

Weight in kilograms Signup and view all the answers

Which of the following is a key characteristic of a ratio scale?

It allows for orderly mathematical operations like addition, subtraction, multiplication, and division Signup and view all the answers

Which of the following is NOT a characteristic of an interval scale?

It has a true zero point Signup and view all the answers

What is the main advantage of Likert scales compared to open-ended questions?

Likert scales are quicker for respondents to fill out Signup and view all the answers

What is one potential disadvantage of using Likert scales?

Respondents can get bored and lose interest, leading to invalid responses Signup and view all the answers

What is a potential issue with the interpretation of Likert scale items?

Respondents can interpret items very differently due to vague wording Signup and view all the answers

What is a limitation of Likert-type questions compared to open-ended questions?

Respondents sometimes have to choose the most relevant answer even if it may not accurately reflect reality Signup and view all the answers

The study described in the text categorized patients into which two groups based on cervical lordosis?

Hypolordosis and normal lordosis Signup and view all the answers

What were the two main cervical postural abnormalities examined in the study?

Forward head translation and cervical lordosis Signup and view all the answers

What is the second level of measurement scale described in the text?

Ordinal scale Signup and view all the answers

Which characteristic of the ordinal scale is NOT mentioned in the text?

Establishes the degree of variation between variables Signup and view all the answers

Which of the following is an example of an ordinal scale mentioned in the text?

Ranking of grades in manual muscle testing Signup and view all the answers

What is the key characteristic of the interval scale according to the text?

The difference between variables is meaningful Signup and view all the answers

What is the relationship between the 20-degree difference in the Celsius scale mentioned in the text?

The 20-degree difference between 10 and 30 Celsius is equivalent to the difference between 50 and 70 degrees Signup and view all the answers