Evaluation of alternatives in marketing: the stage where the buyer sets the criteria

Evaluation of alternatives is the third stage of the five stage consumer decision process, between information search and the purchase decision. The buyer has a short list, usually three to five options, and compares them against criteria they have chosen themselves: price, availability, a feature, a risk they want removed. Two things decide the outcome, and marketing can influence both. The first is which criteria the buyer uses, because whoever frames the criteria usually wins the comparison. The second is which evidence is easy to find for each option, because an attribute the buyer cannot verify gets scored as absent. This stage is where awareness spending stops helping and specifics start.

Where the stage sits

Stage	The buyer is doing	What marketing supplies
Problem recognition	Noticing a gap between now and wanted	Framing the problem in their words
Information search	Finding out what exists	Being findable, in search and in answers
Evaluation of alternatives	Scoring a short list on chosen criteria	Criteria, comparisons and proof
Purchase decision	Choosing and buying	Removing friction and last minute risk
Post purchase behaviour	Judging whether it was right	Onboarding, reassurance, the review request

The model is the standard consumer behaviour sequence used in marketing teaching, and the usual textbook treatments attribute it to the work of Engel, Blackwell and Miniard and to Kotler. The names matter less than the implication: the middle stage has different mechanics from the two either side of it, so the same content cannot serve all three.

How buyers actually evaluate

Three ideas from consumer behaviour research carry most of the practical weight.

• Evaluative criteria. The attributes the buyer scores on. Rarely more than four or five, often unspoken, and frequently a mix of the rational and the social. For a family car that might be running cost, boot size, safety rating and what the neighbours will think.
• The consideration set. The short list of brands actually in play, also called the evoked set. A brand that is known but not in the set is as good as absent, and getting into the set is a different job from being liked.
• Decision rules. Buyers do not score everything evenly. In a compensatory rule, a strong attribute makes up for a weak one. In a lexicographic rule, the most important attribute decides and the rest are ignored. In elimination by aspects, options that fail a threshold are dropped. In a conjunctive rule, every attribute has to clear a minimum.

Those rules explain a result marketers find puzzling: a product that is better on average still loses to one that is better on the single attribute the buyer decided to lead with. If buyers in your market use a lexicographic rule on price, a rich feature list does not rescue you. You either compete on the lead attribute or change which attribute leads.

What to publish for this stage

Four assets do nearly all the work, and most companies have none of them.

• A comparison page you wrote yourself. Honest, with a column where the other option is the better choice. Buyers are comparing anyway, and a page that admits a limit is the one they believe on the other rows.
• A specification or inclusion table. Every attribute a buyer might score, stated plainly, including the awkward ones. Omitting an attribute reads as a no.
• A price basis. Not necessarily a price, but how the price is formed and what changes it. An option that cannot be estimated gets dropped under elimination by aspects before you are ever contacted.
• Third party proof. Reviews, certifications, test results, named references. Self reported claims score low in this stage because the buyer is specifically looking for verification.

Finding the criteria your buyers really use

Do not guess the criteria. They are already written down in four places.

• Sales call notes and lost deal reasons, which name the attribute that actually decided it.
• Your reviews and your competitors' reviews, where the attribute people mention unprompted is usually the real criterion.
• Search queries containing versus, alternative, best for, or a specification number. These are evaluation stage queries, and they tell you the exact comparison being run.
• The questions asked in the first ten minutes of a demo or a quote visit. Write them down for a month and you have the criteria list.

Then publish against them in the buyer's own words. A page that scores itself on criteria nobody uses is a brochure.

The business version of the same stage

In a business purchase the evaluation stage is formalised: a scorecard, a requirements matrix, a security questionnaire, sometimes a formal tender. Three differences change the work.

• The criteria are written down and circulated, so supplying them early, as a buying guide or a checklist, has an outsized effect.
• Several people score different criteria. The technical reviewer and the finance approver are running different rules on the same short list, so each needs their own evidence.
• Risk is an attribute in its own right. Implementation support, contract terms, references and continuity often outweigh features, which is why a smaller supplier wins on reassurance more often than on capability.

If you are planning content by funnel stage rather than by decision process, our piece on TOFU, MOFU and BOFU content maps the same territory in the language most content calendars use.

What loses a buyer at this stage

A missing price basis. A specification table with gaps. No comparison, which forces the buyer onto a third party list where your weakest competitor pays for placement. Proof that is all self reported. And a form standing between the buyer and a basic fact, which under an elimination rule simply removes you from the set.

Measuring the stage

Comparison and pricing page views as a share of all sessions, the ratio of enquiries to quotes, the attribute named in lost deal reports, and the proportion of enquiries that arrive already naming a competitor. That last figure is the clearest signal of whether you are in the consideration set or being discovered after it has formed.

Questions about the evaluation of alternatives stage

Is evaluation of alternatives the same as the consideration stage of a funnel?

They describe the same moment from two directions. The funnel describes it from the seller's side as a stage of content, the decision process describes it from the buyer's side as an act of scoring. The buyer's version is the more useful one when you are deciding what to publish, because it tells you what is being compared.

How many alternatives does a buyer usually evaluate?

The consideration set is typically small, around three to five options, which is why entering the set matters more than being liked by people who have already formed one.

Can marketing change the criteria?

Yes, and it is the strongest move available at this stage. Introducing a criterion a buyer had not considered, such as total cost over five years rather than purchase price, reorders the whole comparison. It only works when the criterion is genuinely relevant to the buyer's outcome.

Does this apply to low value impulse purchases?

Barely. For habitual, low risk purchases buyers skip or compress this stage, and the levers are availability, packaging and price promotion. The stage matters in proportion to the perceived risk.

What is the single best asset for this stage?

An honest comparison page carrying a specification table and a price basis. It serves every decision rule at once, and it is the page that gets quoted by other people.

When the evaluation has already been done for the buyer

There is a new way this stage gets compressed. A buyer who asks an assistant to compare the options in a category receives a finished comparison: three names, a line of reasoning each, and often a recommendation, assembled in seconds from pages the assistant could read. The consideration set arrives pre built, and the criteria in it were chosen by whichever sources were easiest to use, which may be a competitor's comparison page or a listing site. For anybody whose market involves a considered purchase, that makes a practical question worth asking: for the comparison queries in my category, which options are being named, and on which attributes. AI Knows Us is built around that one question, and it returns the comparison in the form the buyer receives it: the options, the order and the stated reasons. The first category you ask about is free at aiknowsus.com.