Methods of assessing the quality of goods
Posted: Tue Dec 24, 2024 6:10 am
Product quality assessment is a set of logical and mathematical operations aimed at determining its quality level.
There are several approaches to determining product quality. In addition, there are many ways to classify methods. According to one classification, they are divided into the following categories:
Methods of analysis of product quality indicators.
Methods for assessing the quality level.
Methods for determining quality indicators.
The choice of a specific method significantly influences the results obtained.
Sensitivity analysis
Source: shutterstock.com
There are different approaches to the analysis of albania email list 215428 contact leads quality indicators, which can be classified as follows:
Objective methods are based on calculations and measurements using special devices. We are talking about methods of measurement, registration and calculation. They are characterized by high accuracy and reliability of data.
Subjective methods include expert, sociological and organoleptic. The results of their application depend on the experience, qualifications and type of thinking of the person.
The choice of the optimal method depends on the evaluation task, the stage of production, the type of product being evaluated (category, class) and the possibility of conducting a particular study.
Recommended articles on this topic:
Selling price list: 5 marketing tricks + 10 tips for design
Cross-marketing: 5 examples and 8 mistakes
Example of a cooperation proposal: just follow the instructions
Methods of assessing product quality can be used either separately or together.
Measuring method for assessing product quality
This approach is part of the subject of metrology and is based on the use of specialized technical means - measuring instruments. This approach involves the study of various characteristics of goods, such as weight, geometric parameters, temperature, humidity, speed, current strength, etc.
The measurement method is extremely accurate and objective.
Registration method
It involves analyzing indicators based on observations of the object and recording the number of certain events or objects with subsequent statistical processing of the data. This approach allows us to determine such characteristics as manufacturability, cost-effectiveness, unification (standardization), patent-legal indicators, etc. For example, to calculate the number of product failures during testing, the percentage of defective goods. This is done by calculating the number of parts produced per unit of time, as well as the number of parts of a complex product protected by patents.
Calculation method
The basis of the calculation method for assessing the quality of goods is mathematical formulas, theoretical or empirical knowledge about the relationship between product quality indicators and their parameters. As a rule, this method is used at the design stage or the formation of the product concept. This approach makes it possible to determine productivity, reliability, power, and durability. In addition, the calculation method allows you to evaluate ergonomic and aesthetic parameters. For example, you can determine the range of a radio transmitter depending on its power or the volume of cargo turnover, based on the lifting capacity and speed of the machine.
Analysis of the financial independence ratio
Source: shutterstock.com
The calculation method includes various groups:
Metrology methods that involve measuring the physical parameters of a product.
Probabilistic statistical approaches based on scientific observations of goods during testing.
Methods of mathematical modeling that involve determining the level of product quality using mathematical models.
Organoleptic method
The organoleptic method of assessing the quality of consumer goods is based on information received from the senses, such as sight, taste, smell and touch. It allows you to assess the appearance of the product, the uniformity of color, smell and taste characteristics, brightness, contrast and saturation.
This subjective method is used in cases where other methods or specialized instruments such as microscopes or microphones cannot be used. Experts with high sensitivity and skills to analyze the organoleptic characteristics of products are invited to perform the assessment.
Traditional method
This approach involves determining the values of quality indicators by employees of experimental and calculation departments, such as laboratories, design departments, testing grounds and test centers. Research is carried out under conditions that are as close as possible to the actual use of products.
Expert method
In this case, experts make a decision as a result of questionnaires, discussions and idea generation. This method is subjective, since the results depend on the qualifications, professionalism and experience of specialists. It is used in cases where it is impossible to measure indicators using more objective methods (calculations and devices), when the initial information for analysis is completely absent or when too many parameters need to be taken into account.
There are several approaches to determining product quality. In addition, there are many ways to classify methods. According to one classification, they are divided into the following categories:
Methods of analysis of product quality indicators.
Methods for assessing the quality level.
Methods for determining quality indicators.
The choice of a specific method significantly influences the results obtained.
Sensitivity analysis
Source: shutterstock.com
There are different approaches to the analysis of albania email list 215428 contact leads quality indicators, which can be classified as follows:
Objective methods are based on calculations and measurements using special devices. We are talking about methods of measurement, registration and calculation. They are characterized by high accuracy and reliability of data.
Subjective methods include expert, sociological and organoleptic. The results of their application depend on the experience, qualifications and type of thinking of the person.
The choice of the optimal method depends on the evaluation task, the stage of production, the type of product being evaluated (category, class) and the possibility of conducting a particular study.
Recommended articles on this topic:
Selling price list: 5 marketing tricks + 10 tips for design
Cross-marketing: 5 examples and 8 mistakes
Example of a cooperation proposal: just follow the instructions
Methods of assessing product quality can be used either separately or together.
Measuring method for assessing product quality
This approach is part of the subject of metrology and is based on the use of specialized technical means - measuring instruments. This approach involves the study of various characteristics of goods, such as weight, geometric parameters, temperature, humidity, speed, current strength, etc.
The measurement method is extremely accurate and objective.
Registration method
It involves analyzing indicators based on observations of the object and recording the number of certain events or objects with subsequent statistical processing of the data. This approach allows us to determine such characteristics as manufacturability, cost-effectiveness, unification (standardization), patent-legal indicators, etc. For example, to calculate the number of product failures during testing, the percentage of defective goods. This is done by calculating the number of parts produced per unit of time, as well as the number of parts of a complex product protected by patents.
Calculation method
The basis of the calculation method for assessing the quality of goods is mathematical formulas, theoretical or empirical knowledge about the relationship between product quality indicators and their parameters. As a rule, this method is used at the design stage or the formation of the product concept. This approach makes it possible to determine productivity, reliability, power, and durability. In addition, the calculation method allows you to evaluate ergonomic and aesthetic parameters. For example, you can determine the range of a radio transmitter depending on its power or the volume of cargo turnover, based on the lifting capacity and speed of the machine.
Analysis of the financial independence ratio
Source: shutterstock.com
The calculation method includes various groups:
Metrology methods that involve measuring the physical parameters of a product.
Probabilistic statistical approaches based on scientific observations of goods during testing.
Methods of mathematical modeling that involve determining the level of product quality using mathematical models.
Organoleptic method
The organoleptic method of assessing the quality of consumer goods is based on information received from the senses, such as sight, taste, smell and touch. It allows you to assess the appearance of the product, the uniformity of color, smell and taste characteristics, brightness, contrast and saturation.
This subjective method is used in cases where other methods or specialized instruments such as microscopes or microphones cannot be used. Experts with high sensitivity and skills to analyze the organoleptic characteristics of products are invited to perform the assessment.
Traditional method
This approach involves determining the values of quality indicators by employees of experimental and calculation departments, such as laboratories, design departments, testing grounds and test centers. Research is carried out under conditions that are as close as possible to the actual use of products.
Expert method
In this case, experts make a decision as a result of questionnaires, discussions and idea generation. This method is subjective, since the results depend on the qualifications, professionalism and experience of specialists. It is used in cases where it is impossible to measure indicators using more objective methods (calculations and devices), when the initial information for analysis is completely absent or when too many parameters need to be taken into account.