Operations Management and Strategic Management · Designing of Operational Systems and Control
Product and Service Design and Development Process
Updated 10 October 2026 · Fact-checked
Product and service design and development is the structured process of turning an idea into something customers can buy and the firm can deliver. It runs through idea generation, screening, concept and feasibility testing, design, prototype, testing and launch. Standardisation, simplification and specialisation then make production efficient. Answer in stages, with a short example for each.
Understand Product and Service Design and Development
Every firm needs new or improved offerings to stay competitive. Design is the step where an idea becomes a clear specification: what the offering does, how it looks, what it is made of, and how it will be produced or delivered. Poor design locks in high cost and poor quality, because most of a product's cost is fixed at the design stage.
The development process is a funnel. You start with many ideas from customers, employees, competitors, R&D, suppliers and market research. Screening removes ideas that do not fit the firm's strategy, market, resources or finances. The survivors go through concept development and business analysis (demand, cost, price, profit), then design and prototype, testing (technical and market trials) and finally commercialisation (launch). Feedback after launch drives improvement.
Three techniques make a design easier to produce. Standardisation means making uniform products, parts or processes to agreed specifications. Simplification means reducing the number of varieties, sizes or models in the range, removing the ones that add little value. Specialisation means limiting a person, machine or unit to a narrow set of tasks or products so that skill and efficiency rise.
Services follow the same logic but differ in nature. A service is intangible, is usually produced and consumed at the same time (inseparability), varies from one delivery to the next (heterogeneity), and cannot be stored (perishability). The customer often takes part in the process. So service design focuses on the service package, the delivery process, the facility, the people and the customer's experience, and it needs clear standards to keep quality consistent.
Key rules to remember
- Product development stages
- Idea generation → Screening → Concept development and business analysis → Design and prototype → Testing → Commercialisation → Feedback
- Stage names vary between books. Keep the order and the logic of narrowing down, and your answer will be accepted.
- Standardisation
- Standardisation = uniform parts, products or processes to fixed specifications
- Gains: interchangeability, lower cost, easier quality control, simpler inventory. Limit: less variety for the customer.
- Simplification
- Simplification = fewer varieties, sizes or models in the product line
- It cuts the range. Standardisation fixes the specification. Do not mix them up.
- Specialisation
- Specialisation = narrow focus of a worker, machine or unit on limited tasks or products
- Gains: skill, speed, lower unit cost. Risks: monotony and low flexibility.
- Service characteristics
- Intangibility, Inseparability, Heterogeneity, Perishability
- Add customer participation and difficulty of measuring quality as related points.
How to solve Product and Service Design and Development questions
Use this method for any question on designing products or services, whether it asks for stages, a comparison or a short note.
- 1Read the verb. 'Explain stages' needs a sequence. 'Distinguish' needs a two-column comparison. 'Write a note' needs meaning, features and a use.
- 2Start with a one-line definition of design and development, linking it to cost, quality and customer needs.
- 3List the stages in order and give one line of purpose for each. Show that the number of ideas falls at each stage.
- 4If asked about standardisation, simplification or specialisation, define each, then give advantages and limits with a simple Indian example.
- 5For services, state the four characteristics and show how each changes the design (for example, perishability affects capacity and booking design).
- 6Add a short example such as a mobile phone, a packaged food item, a bank account or an online delivery service.
- 7Close with one line on why good design lowers cost and raises customer satisfaction.
Quickest way: Stage chain plus SSS comparison
When to use it: Use when you have under five minutes for a 4 to 7 mark theory answer or a distinction question.
- Write the stage chain in one line: Idea, Screen, Analyse, Design, Prototype, Test, Launch.
- Add one phrase under each stage, such as 'fit with strategy' under screening.
- For the three techniques, remember: Standardisation = same specification, Simplification = fewer varieties, Specialisation = narrow focus.
- For services, write the four characteristics as the acronym IHIP (Intangibility, Heterogeneity, Inseparability, Perishability).
- Finish with one example and one benefit sentence.
Common mistakes in Product and Service Design and Development
Treating standardisation and simplification as the same thing
Both reduce variety and cost, so they look alike.
Fix: Standardisation fixes how items are made (uniform specification). Simplification cuts how many items are offered. Write this in one line each.
Skipping screening or placing it after launch
Students memorise stages without understanding the funnel logic.
Fix: Screening comes right after idea generation. Its job is to drop weak ideas early because later stages cost far more.
Describing a service like a physical product
Notes on manufacturing dominate, so service points are forgotten.
Fix: Always mention intangibility, simultaneous production and consumption, variability and perishability, and customer participation.
Listing only advantages of standardisation
Textbook lists focus on benefits.
Fix: Add limits: less variety, risk of low customer appeal, and difficulty in changing a fixed standard.
Writing stages without examples
Students stay with definitions to save time.
Fix: Give one short Indian example, such as a new variant of a packaged snack or a new mobile banking feature.
Worked examples
Example 1
Explain the stages in the development of a new product. (7 marks)
Show the solution
- Define: product development turns an idea into a marketable product through connected stages.
- Idea generation: collect ideas from customers, sales staff, R&D, suppliers and competitors.
- Screening: reject ideas that do not match strategy, resources, technology or market need.
- Concept development and business analysis: test the concept with customers and estimate demand, cost, price and profit.
- Design and prototype: prepare specifications, drawings and a working model.
- Testing: run technical tests and market trials, and correct defects.
- Commercialisation: plan production, distribution and promotion, then launch.
- Feedback: track sales and complaints to improve the product.
Answer: New product development moves through idea generation, screening, concept and business analysis, design and prototype, testing, commercialisation and feedback. Each stage filters risk before heavy spending.
Example 2
Distinguish between standardisation and simplification, with an example. (5 marks)
Show the solution
- Meaning: standardisation sets uniform specifications for products, parts or processes. Simplification reduces the number of varieties in the range.
- Focus: standardisation concerns how things are made. Simplification concerns how many things are made.
- Effect: standardisation gives interchangeability and easier quality control. Simplification gives longer production runs and lower inventory.
- Example: a firm fixes one nut and bolt size for all its machines (standardisation). A biscuit maker cuts its range from twelve pack sizes to four (simplification).
- Limit: standardisation can reduce customer choice. Simplification can lose some customers who preferred the dropped varieties.
Answer: Standardisation fixes uniform specifications. Simplification cuts the product range. Both lower cost, but they act on different things.
Exam tips
- Distinction questions on standardisation, simplification and specialisation are common. Prepare a two-column answer with meaning, focus, benefit and example.
- Write stages as numbered points with a short purpose each. Examiners give step marks for sequence and clarity.
- For service design, always link each characteristic to a design consequence, not just a definition.
- Use an Indian example in every written answer. It shows application and lifts a plain answer.
- For MCQs, read the options carefully. 'Reducing the number of models' signals simplification, and 'uniform specifications' signals standardisation.
Practice questions from Designing of Operational Systems and Control
- Concurrent (simultaneous) engineering in new product development is mainly intended to:
- A plant in Coimbatore has a design capacity of 2,000 units per week and an effective capacity of 1,600 units per week. Its actual output las…
- Sharma Auto Parts has a design capacity of 1,000 units per day. Effective capacity is 800 units per day and actual output is 680 units per d…
- A company designs a hotel service whose delivery depends on the customer's presence and cannot be stored. Which design consideration is spec…
- A firm using value analysis/value engineering on a product finds a component that costs ₹40 but whose function can be delivered by an altern…
Product and Service Design and Development: frequently asked questions
What are the main steps of product design and development?
The usual sequence is idea generation, screening, concept development and business analysis, design and prototype, testing, and commercialisation. Feedback after launch completes the loop. Book names differ slightly, but the order stays the same.
What is the difference between standardisation and simplification?
Standardisation makes products, parts or processes uniform to fixed specifications. Simplification reduces the number of varieties or models offered. One controls specification, the other controls range.
What are the characteristics of service design?
Services are intangible, produced and consumed together, variable from one delivery to another, and perishable. The customer often takes part. Design must therefore set clear standards, plan capacity and manage the customer experience.
Why is screening of ideas important?
Screening removes ideas that do not fit the firm's strategy, resources or market early on. This saves the cost of developing, testing and launching weak products.