You will be able to decide when to lean on SPIN question types and when to think in gap terms.
After two lessons on frameworks, a fair question is which one you are supposed to use. Sales teams argue about this. One manager swears by SPIN, another hands out copies of Gap Selling, and a new seller ends up trying to follow both in the same meeting and following neither well.
The good news is that they do different jobs. Once you see what each is for, they stop competing. This lesson lays them side by side, using Hafiz and Rachel from lessons 3.1 and 3.2, and gives you a simple way to divide the work between them.
SPIN, from Neil Rackham's research, gives you a question sequence. It tells you what kind of question to ask and roughly in what order: a few situation questions, then problem questions, then implication questions, then need-payoff. It is a tool for the conversation itself, for the moment when the buyer has just answered and you need to decide what to ask next.
Gap selling, from Keenan's book, gives you a picture to fill in. It tells you what you need to know by the end: the current state, the future state, and the gap between them. It does not prescribe particular question types. It is a tool for thinking about the buyer, before and after you meet.
You could put it this way. SPIN tells you how to ask. The gap map tells you what you are trying to find out.
Both methods put the problem and its consequences before the product. In SPIN, you do not describe your solution until the buyer has stated the value of solving the problem in their own words, through need-payoff questions. In gap selling, you do not present until you understand the current state, including its impact, and the future state the buyer wants.
Both also assume that the size of the problem decides whether a sale happens. SPIN expresses this through implication questions, which make a problem feel larger by tracing its effects. Gap selling expresses it through the gap: a large gap means a strong reason to buy, a small one means little reason, whatever the product.
So if you follow either method properly, you end up asking much the same questions. The differences are mostly in what you hold in your head while you ask them.
There is one link between the two methods worth seeing clearly. Implication questions are how you discover the size of the gap.
A problem question tells you a problem exists. Rachel's overtime calculations go wrong. That fact alone sits in the current state but tells you nothing about how big the gap is. An implication question asks what follows from it. "When a payslip is wrong, what happens next?" Each answer adds to the impact column of the current state: two days of corrections, drivers who distrust their pay, a resignation. And as the impact grows, so does the gap.
Need-payoff questions do the same for the other side. "What would it mean if payroll closed in a day?" fills in the future state, in the buyer's words.
In practice, then, a SPIN conversation done well hands you most of what you need for a gap map. And a gap map tells you which SPIN questions you still need to ask.
Here is the division most people find easiest. Use gap thinking to plan and review. Use SPIN question types to run the conversation.
Before the meeting, sketch the gap map you expect, based on your hypotheses from lesson 1.2, Prepare a hypothesis, not a pitch. Where are the empty boxes? Those tell you what to find out.
During the meeting, use the SPIN types to decide what to ask next. If you have the situation and one problem, ask implication questions until you understand the consequences. If the consequences are clear, ask a need-payoff question.
After the meeting, redraw the gap map with what you actually heard. Any box you could not fill tells you the first question for your next meeting.
Hafiz used to try to recall the full SPIN sequence in the middle of a meeting, and it made him stiff. Now he keeps a three-box sketch on a card beside his notebook and asks himself one thing whenever the conversation pauses: which box is still thin? Then he picks the SPIN type that fills it.
Your own sales will lean one way. If your meetings are short and the decision is quick, you may find the SPIN types alone are enough. A gap map can feel like more paper than the sale needs. If your sales involve several meetings and several people, the gap map earns its keep, because it gives you something to compare across meetings and to share with colleagues.
Wei Ling, the adviser from module 2, sells to households, usually over two or three meetings. She finds the future state the hardest part, because many clients have never said out loud what they want money to do for them. So she leans on gap thinking to plan, and on need-payoff questions in the meeting to draw out the future state.
Neither choice is wrong. What matters is that you can explain why you made it.
Think about the last two or three sales you worked on, how long they took and how many people were involved, and use that as you start the activity below.
Write one paragraph on which approach suits your sales and why, with an example question you will use from each.
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