Marketing Management  ·  Level 5
Market Innovations/Renovations
Chapter 4: Conduct Post Launch Evaluation
📚 2 Topics
⚑ What you will be able to do

By the end of this chapter, you will be able to:

  • Gather product feedback carefully by following the correct innovations procedures.
  • Evaluate product feedback accurately to understand how well the product is performing.
  • Adopt product renovation changes confidently based on the feedback report.
  • Redeploy the renovated product to the market smoothly according to the roll out plan.
  • Maintain product optimization consistently by following the renovation strategy.

Mastering these skills helps you improve products that meet customer needs and keep your business competitive in the real market.

Compiled by: Samuel Maina

4.1 Methods of obtaining product feedback

Product feedback is the information customers, users and other stakeholders give, knowingly or not, about how a product looks, works, lasts and compares with their expectations. It tells the maker what to keep, what to change and what to stop producing. Example: a furniture workshop that asks buyers about its dining chairs may learn that the seat height is comfortable but the chairs are too heavy to move around, so the next batch can use lighter timber sections. Feedback can be collected directly by asking people, or indirectly by studying what they do, buy, return and say.

Purpose and value of product feedback

Collecting feedback turns guesswork into evidence. A producer who knows why customers buy, complain or stay away can spend time and money on the improvements that matter most, rather than on changes nobody wants. Feedback also shows customers that their opinions count, which builds loyalty.

  • Identifying faults early: Repeated comments about the same defect, such as a zip that breaks after a month, point to a production or material problem that can be corrected before more units are sold.
  • Guiding improvement and renovation: Feedback shows which features need redesign, repair or upgrading, so that effort is directed at real weaknesses.
  • Understanding customer needs: Comments reveal how the product is actually used, which may differ from what the maker intended, for example a school using a storage cabinet for heavy files rather than light stationery.
  • Reducing waste and cost: Fewer returns, rework and unsold stock result when products are adjusted to what buyers want.
  • Supporting pricing and marketing decisions: Customers' views on value for money and on what they like most help the business set fair prices and choose the right selling points.
  • Measuring performance over time: Repeating the same feedback exercise each season shows whether changes have raised satisfaction or not.

Types of product feedback

Feedback is classified by how it is gathered and by the form it takes. Knowing the types helps a producer choose a method that gives the kind of information needed.

  • Direct feedback: Information obtained by asking people, for example through questionnaires, interviews or phone calls.
  • Indirect feedback: Information obtained from behaviour and records without asking, such as sales figures, returns and online comments.
  • Solicited feedback: Opinions the business actively requests, for instance a form handed out with every delivery.
  • Unsolicited feedback: Opinions volunteered by customers, such as a complaint made at the counter or a compliment sent by message.
  • Quantitative feedback: Information expressed in numbers, such as ratings from 1 to 5 or the number of returns per month. It is easy to total, average and compare.
  • Qualitative feedback: Information expressed in words, such as comments on comfort, appearance or ease of use. It explains the reasons behind the numbers.

Direct methods of obtaining feedback

Direct methods put questions to customers or users and record their answers. They give clear, specific information about the issues the producer wants to understand, but they take time and depend on people being willing to respond.

  • Questionnaires and surveys: A set of written questions given to customers on paper, by phone or online. Example: a school tailoring unit hands a short form to parents collecting uniforms, asking about fit, stitching and colour fastness. Questionnaires reach many people cheaply and give results that can be counted.
  • Interviews: A face-to-face or telephone conversation guided by prepared questions. Example: a furniture workshop owner interviews customers who have bought a new folding stool to find out what they like or dislike. Interviews give detailed answers and allow follow-up questions, but they take longer per person.
  • Focus group discussions: A small group of six to ten users discuss the product together under a facilitator. Example: a furniture workshop invites buyers to examine a new design of school desk and discuss height, storage space and ease of cleaning. Group talk brings out opinions that individuals might not think of alone.
  • Suggestion boxes and comment cards: A box or cards placed where the product is sold or used, so people can leave comments, often anonymously. Example: a tailoring shop places a box beside the fitting-room counter. This method is cheap and lets shy customers speak, but responses are irregular and often brief.
  • Direct observation: The producer watches how people use the product and notes difficulties. Example: a furniture maker watches customers opening a new folding table in the showroom and sees that the locking catch is awkward to release. Observation shows problems users may not mention or even notice.
  • Product trials and prototype testing: A sample is given to selected users for a trial period, after which their experience is collected. Example: a building contractor lays a small area of a new paving block and asks the site crew and the client for comments before ordering large quantities. Trials expose faults before full production.
  • Follow-up calls and messages: The seller contacts the buyer some time after purchase to ask how the product is performing. Example: a tailor phones customers a month after they collect suits to ask about fit and stitching. Timing matters: too early and the user has not formed an opinion, too late and details are forgotten.

Indirect methods of obtaining feedback

Indirect methods draw conclusions from information that already exists or that customers produce on their own. They cost little and show what people really do, but they seldom explain why, so they are best used alongside direct methods.

  • Sales records and trends: Rising sales of one model and falling sales of another show preferences. Example: a hardware shop notes that one brand of padlock sells out monthly while another stays on the shelf.
  • Returns and warranty claims: Items brought back for repair, refund or replacement show where the product fails. Example: a furniture workshop groups returned wardrobes by fault and finds that most have loose hinges.
  • Online reviews and social media comments: Customers often post photographs and opinions publicly. Example: a tailoring business reads comments under its page and finds that buyers praise the fabric of a new shirt but complain that the buttons come loose.
  • Complaints register: A logbook or file in which every complaint is recorded with the date, product, problem and action taken. Example: a tailoring shop records repeated complaints about split side seams on trousers. Studying the register reveals patterns.
  • Feedback from agents, dealers and sales staff: People who deal with buyers every day hear comments and questions that the maker never sees. Example: a furniture workshop asks the shops that stock its chairs which designs customers request.
  • Mystery shopping: A trained person buys or uses the product as an ordinary customer and reports on the experience. Example: a furniture workshop asks a mystery shopper to visit its showroom and report on the display, price labels and helpfulness of the staff.
  • Competitor and market comparison: Studying what rival products offer and how customers respond to them shows gaps in one's own range.

Comparison of feedback methods

No single method is best in every situation. The choice depends on the budget, the number of customers, the time available and the depth of information needed.

Method Cost Depth of information Speed Best used when
Questionnaire Low Moderate Moderate Many customers must be reached
Interview Moderate High Slow Detailed reasons are needed from a few users
Focus group Moderate High Moderate A new design or idea is being discussed
Suggestion box Very low Low Slow Continuous, informal comments are welcome
Observation Low High on use, low on opinion Moderate Ease of use is in question
Product trial Moderate to high High Slow A prototype must be tested before production
Sales and returns records Very low Low on reasons Fast Quick checking of trends and faults
Online reviews Very low Moderate Fast The product is sold or promoted online

Designing a feedback questionnaire

A questionnaire is only as useful as its questions. Poorly worded questions confuse respondents and produce results that cannot be trusted. A good form is short, clear and focused on decisions the producer must make.

  • Keep it short: Aim for about ten questions that can be answered in a few minutes, because long forms are left unfinished.
  • Use simple language: Avoid technical terms. Ask "Is the handle easy to hold?" rather than "Rate the ergonomic qualities of the grip."
  • Ask one thing at a time: A question such as "Is the product cheap and durable?" cannot be answered if the product is durable but expensive.
  • Avoid leading questions: "Don't you think our stove is excellent?" pushes the respondent towards one answer. Ask "How would you rate the stove's performance?" instead.
  • Mix closed and open questions: Closed questions (yes or no, a rating scale, multiple choice) give figures that are easy to total. Open questions such as "What would you change about this product?" collect reasons and ideas.
  • Use a consistent rating scale: A five-point scale from 1 (very poor) to 5 (excellent) allows averages and comparison between products and periods.
  • Test the form first: Give it to a few people and see whether they understand every question before printing many copies.

Procedure for collecting product feedback

A planned procedure makes sure the information gathered is relevant, reliable and acted upon. Example: a metalwork workshop that makes charcoal stoves wants to know why sales have fallen.

  1. Define the objective: State exactly what you want to learn, for example whether customers find the stove too heavy or whether it burns fuel efficiently.
  2. Identify the target group: Decide who should be asked, such as recent buyers, households that use stoves daily, or traders who resell them.
  3. Choose the method or methods: Select from direct and indirect methods according to cost, time and the depth required. The workshop might combine a short questionnaire with a review of returned stoves.
  4. Prepare the tools: Draft and test the questionnaire, interview guide or observation checklist, and arrange any samples or trial units.
  5. Collect the feedback: Distribute forms, hold interviews or watch users, recording answers honestly and in the respondents' own words where possible.
  6. Record and organise the data: Enter the answers in a table or register, group similar comments together and total the ratings.
  7. Analyse the results: Calculate averages and percentages, and list the most frequent complaints and compliments.
  8. Act on the findings: Decide which changes to make, for example thicker liners for the stoves, and who will carry them out and by when.
  9. Report back and review: Tell customers what has been changed, and repeat the exercise later to check whether satisfaction has improved.

Recording and analysing feedback

Raw comments become useful only when they are organised and measured. Ratings are totalled and averaged, and the share of satisfied customers is calculated. Open comments are sorted into themes such as quality, price, appearance and service.

Example: a furniture workshop asks 40 customers to rate a new range of stools from 1 to 5.

Rating Number of customers
5 12
4 15
3 8
2 3
1 2

Average rating = total of all ratings ÷ number of customers

Total of ratings = (5 × 12) + (4 × 15) + (3 × 8) + (2 × 3) + (1 × 2)

Total of ratings = 60 + 60 + 24 + 6 + 2 = 152

Average rating = 152 ÷ 40 = 3.8 out of 5

Satisfaction rate = customers rating 4 or 5 ÷ total customers × 100

Satisfaction rate = (12 + 15) ÷ 40 × 100

Satisfaction rate = 27 ÷ 40 × 100 = 67.5%

The response rate of a survey shows how far the results can be trusted. If 120 questionnaires are issued and 78 are returned:

Response rate = forms returned ÷ forms issued × 100

Response rate = 78 ÷ 120 × 100 = 65%

A higher response rate means the results are more likely to represent all customers.

Good practice and ethics in obtaining feedback

Feedback depends on trust. Customers share honest views only when they believe they will be treated fairly and that something will be done with their answers.

  • Seek consent: Explain why information is being collected and let people decline to take part.
  • Protect confidentiality: Do not publish names, phone numbers or personal comments without permission, and keep completed forms safely stored.
  • Remain neutral: Do not argue with, correct or pressure customers while they give opinions, and do not choose only the respondents likely to praise the product.
  • Record accurately: Write down what was said, not what you wish had been said, and report negative results as faithfully as positive ones.
  • Respect people's time: Keep exchanges brief and polite, and avoid asking the same customers repeatedly.
  • Close the feedback loop: Tell customers what has been changed because of their comments. People who see results are more willing to respond next time.
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🔒4.2 Methods of renovating products

In Kenya's dynamic markets, especially across diverse sectors such as healthcare, education, retail, and agriculture, product renovation is vital for sustaining competitiveness and meeting evolving customer needs. Renovating a product involves modifying or imp…

Chapter Summary

This chapter explored the essential process of conducting post-launch evaluations to assess product performance in the market. It began by examining various methods of obtaining product feedback, highlighting the importance of collecting consumer insights through surveys, interviews, focus groups, and digital analytics to understand customer satisfaction and identify areas for improvement. The chapter then transitioned to discussing methods of renovating products, emphasizing strategies such as product modification, feature enhancement, rebranding, and packaging redesign to better meet evolving customer needs and remain competitive. Attention was given to how these renovation approaches can extend a product’s lifecycle and increase market appeal. Throughout, the chapter underscored the continuous cycle of feedback and innovation as critical for sustaining product relevance. Practical application of these methods enables organizations to respond effectively to market demands and enhance overall business success.

Self-Assessment

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A. Written Assessment

  1. Which method of obtaining product feedback involves directly observing customers using the product in real time? (2 marks)
  2. Explain how focus group discussions can provide deeper insights into customer perceptions of a new service. (3 marks)
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Chapter Examination Questions

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SECTION A (40 Marks) - Answer ALL Questions

  1. Explain two advantages of using customer surveys to obtain product feedback in a county referral hospital setting. (4 marks)
  2. Identify and describe two qualitative methods of collecting product feedback that could be used by a retail business in Nairobi. (4 marks)
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Am I competent?

At the start of this chapter we promised you would be able to:

  • Gather product feedback carefully by following the correct innovations procedures.
  • Evaluate product feedback accurately to understand how well the product is performing.
  • Adopt product renovation changes confidently based on the feedback report.
  • Redeploy the renovated product to the market smoothly according to the roll out plan.
  • Maintain product optimization consistently by following the renovation strategy.

Tick each one you can genuinely do.

So, are you there yet?

You're competent when you can confidently do 50% or more of what this chapter promised.

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