What are the different types of measurement?
Types of Data & Measurement Scales: Nominal, Ordinal, Interval and Ratio CSc 238 Fall 2014 There are four measurement scales (or types of data): nominal, ordinal, interval and ratio. These are simply ways to categorize different types of variables. This topic is usually discussed in the context of academic
What are the four types of scales of measurement?
Types of Measurement Scales
- Nominal Scale. From the Statistical point of view it is the lowest measurement level. ...
- Ordinal Scale. Next up the list is the Ordinal Scale. ...
- Interval Scale. A normal survey rating scale is an interval scale for instance when asked to rate satisfaction with a training on a 5 point scale, from Strongly Agree, Agree, ...
- Ratio Scale. ...
What is the significance of measurement?
Measurement
- To find how old you are, you need to measure time.
- To know how much you weigh, you must weigh yourself.
- To know how tall you are, you need to measure your height (length)
- To know how much water you can fill in your water bottle, you need to measure the capacity of your bottle.
- To find out how hot it is today, you need to measure the temperature.
What is an example of measurement?
Performance Measure Examples. Speed / Time: Transaction processing and Service Volume: Process improvement, eliminate unnecessary steps, coordinate efforts of many, customer service. Measurement. Example. Number days to complete (lab results, reports, charts, audits) 325 to 380 transactions are completed per week.
What is the nature of measurement in education?
In educational measurement the units are not definite, so we may not obtain the same value for every person. Because the test vary in their content and difficulty level. Therefore one individual may perform differently on different tests and different individuals may perform differently on one test.
What is concept of measurement?
Measurement is the basic concept in the study of Mathematics and Science. Measurement quantifies the characteristics of an object or event, which we can compare with other things or events. Measurement is the most commonly used word, whenever we deal with the division of a quantity.
What is the main purpose of measurement?
The purposes of measurement can be categorized as measurement being in the service of quality, monitoring, safety, making something fit (design, assembly), and problem solving.
What are the characteristics of measurement?
Characteristics of Measurement:Process of Assigning Symbols: ... No Absolute Zero Point: ... Process of Quantification: ... A Complex Process: ... Sense of Infinity: ... Mental Measurement is often Subjective: ... Units are not Definite: ... Instruments in Measurement are not Exact:More items...
What are types of measurement?
You can see there are four different types of measurement scales (nominal, ordinal, interval and ratio).
What is measurement and example?
Measurement is defined as the act of measuring or the size of something. An example of measurement means the use of a ruler to determine the length of a piece of paper. An example of measurement is 15" by 25". noun.
What is the importance of measurement in our daily life?
Measurement tools make our lives better and safer, and they enhance the quality and quantity of life. Arguably, the ability to measure physical properties accurately has tremendous survival value that gives humans an adaptive, evolutionary advantage honed through many years of natural selection.
What is measurement in statistics?
Measurement is a process through which observations are translated in to numbers. The nature of measurement process produces the numbers. These numbers determines the interpretation that can be made from them and the statistical procedures that can be meaningfully used with them. The first step in the measurement procedure is to define the objects, ...
What is the essential requirement for measurement?
At this level the essential requirement for measurement is an empirical criterion for ordering individuals, objects or events with respect to the attribute. Ordinal measurement requires that the objects of a set can be rank-ordered on an operationally defined characteristic or property.
Why is the zero point on an interval scale not true?
It is because the zero point on an interval scale is not true zero point. It is an arbitrary zero point. It is established by convention that the zero point on a psychological or educational measurement is arbitrary. It is not fixed zero point.
What is the empirical operation of ordinal measurement?
In an ordinal measurement the empirical operation involves only direct comparison of the objects or individuals in terms of the extent to which they possess the attribute. In this scale when numbers are assigned to the individuals or objects the only information considered is the order of objects.
What is the ordinal scale?
Ordinal scale is the next higher scale of measurement. It indicates the relative position of the individuals or objects with respect to certain attribute. But it does not indicate the distance between the-positions. At this level the essential requirement for measurement is an empirical criterion for ordering individuals, objects or events with respect to the attribute.
What is the highest level of measurement?
Ratio scale involves the highest level of measurement. A ratio scale , in addition to the characteristics of nominal, ordinal and interval scale possesses an absolute or fixed or natural zero point that has empirical meaning. Ratio scale provides a true zero point as well as equal interval.
What is the most primitive scale of measurement?
The most primitive scales of measurement is the nominal scale. Nominal measurement involves the placing of objects or individuals into categories which are qualitatively rather than quantitatively different.
A. Validity
It is related to the rationality of measuring tools. Validity refers to the ability of a measuring tool to measure what it intends to measure. If it does not measure what it is designated to measure, there will be a problem.
B. Reliability
Reliability is related to the results of the research. Reliability refers to the act of generating stable and consistent results when the instruments are used in different samples and situations. In social science and behavioral science research, a researcher should collect and analyze the data using various instruments for drawing the results.
C. Practicability
Measuring instruments that are developed to measure the attitude of the people must be applied in practice. It should be defined clearly so that it can be operationalized into action. Practicability should have the following qualities:
