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Jul 25, 2023 · Anthropometry, or the measurement of body parameters, helps diagnose malnutrition and obesity. It is a vital part of pediatric evaluations as well as the assessment of an adult. Body height is one of the main anthropometric measurements obtained in children. The measured value is compared to a reference population and monitored over time to ensure adequate growth.
- 2023/07/25
- Nominal, Ordinal, Interval, and Ratio Data
- Why Are Levels of Measurement Important?
- Which Descriptive Statistics Can I Apply on My Data?
- Other Interesting Articles
Going from lowest to highest, the 4 levels of measurement are cumulative. This means that they each take on the properties of lower levels and add new properties.
The level at which you measure a variable determines how you can analyze your data. The different levels limit which descriptive statistics you can use to get an overall summary of your data, and which type of inferential statistics you can perform on your data to support or refute your hypothesis. In many cases, your variables can be measured at d...
Descriptive statistics help you get an idea of the “middle” and “spread” of your data through measures of central tendency and variability. When measuring the central tendency or variability of your data set, your level of measurement decides which methods you can use based on the mathematical operations that are appropriate for each level. The met...
If you want to know more about statistics, methodology, or research bias, make sure to check out some of our other articles with explanations and examples.
Assessment of height (or stature) is conducted by direct measurement of the length from the bottom of the feet to the highest point of the head. Standing height can be measured in participants that can stand without assistance and who are cooperative (typically 2 to 3 years of age and older). For individuals such as infants who are unable to ...
- Nominal. The simplest measurement scale we can use to label variables is a nominal scale. Nominal scale: A scale used to label variables that have no quantitative values.
- Ordinal. The next type of measurement scale that we can use to label variables is an ordinal scale. Ordinal scale: A scale used to label variables that have a natural order, but no quantifiable difference between values.
- Interval. The next type of measurement scale that we can use to label variables is an interval scale. Interval scale: A scale used to label variables that have a natural order and a quantifiable difference between values, but no “true zero” value.
- Ratio. The last type of measurement scale that we can use to label variables is a ratio scale. Ratio scale: A scale used to label variables that have a natural order, a quantifiable difference between values, and a “true zero” value.
Oct 18, 2021 · This chapter considers what measurement is. A measurement is obtained by applying a standard scale to variables, thus translating direct observations or patient/proxy reports to a numerical scoring system. A basic understanding of measurement theory is important for all allied health professionals (AHPs).
Jul 25, 2023 · Anthropometry, or the measurement of body parameters, helps diagnose malnutrition and obesity. It is a vital part of pediatric evaluations as well as the assessment of an adult. Body height is one of the main anthropometric measurements obtained in children. The measured value is compared to a refer …
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Feb 24, 2021 · Measurement lies at the heart of statistics. Indeed, no statistic would be possible without the concept of measurement. In science, we use measurement to make accurate observations. All measurement must begin with a classification process—a process that in science is carried out according to systematic criteria.
