2.2 Consumer Behavior

Why consumers buy what they buy, and the sales tactics built on Cialdini's principles of influence.

Transcript (187 lines)

0:00 Saturday at the flea market, a father circles a ninety-five dollar commuter bike
0:04 for the third time without reaching for his wallet.
0:07 The vendor two racks over leans in and offers Theo the oldest trick in used
0:12 sales: tell him three other people are coming to see it this afternoon.
0:17 Nobody else is coming, and Theo knows it.
0:20 He flips up the orange tag zip-tied to the handlebars instead and reads the man all
0:25 twenty-one points of the inspection, brakes to bottom bracket,
0:29 then taps the thirty-day tune-up promise printed at the bottom.
0:33 The father buys the bike.
0:35 This topic explains why he said yes, and why the honest version outsold the lie.
0:41 I'm Logan Shaffer, and this is MAMAKO's AP Business,
0:44 Topic 2.2: Consumer Behavior.
0:47 Two skills by the end: explain why and how consumers decide what to buy,
0:52 including how laws and technology reshape their purchasing patterns,
0:57 and evaluate sales tactics built on the principles of influence and design one you
1:01 can defend. Practice questions for this topic are in the next video.
1:06 Let's go.
1:08 Consumers buy goods and services to meet basic needs and wants.
1:12 The father needs his kid transported to school, and he wants that to happen on a
1:17 bike the kid will actually ride.
1:19 Most needs have rival goods circling them, meaning multiple products that can meet
1:23 the same need, and when rivals exist, four things break the tie:
1:28 prices, differentiated product features, availability,
1:32 and advertising.
1:34 Run his choice through all four.
1:36 A comparable new bike costs about twice Theo's price,
1:39 so price pulls toward the stall.
1:42 The signed inspection tag and the thirty-day tune-up promise are
1:45 differentiated features no factory-fresh rival carries.
1:49 Availability favors Theo too, because his bike rolls home today while an online
1:55 order ships next week.
1:56 And the listing that brought the father to the stall is advertising doing its one
2:01 job, putting the product in front of the person whose need it fits.
2:06 How carefully a consumer chooses depends on what a mistake would cost.
2:11 For consequential purchases, a home, a car, a first bike for a kid riding to
2:16 school in traffic, consumers use a rational decision-making process:
2:20 list the alternatives, compare them systematically on the factors that matter,
2:25 and pick the best fit.
2:27 Small routine purchases, the coffee on the way to work,
2:30 the same gum at the same register, run on habit with no comparison at all.
2:35 The rational process identifies the product that best meets the need,
2:39 and it charges for the search, mostly in time spent gathering information.
2:44 Run one comparison.
2:46 A parent spends three evenings on listings and finds an untagged seventy-five dollar
2:51 rival to Theo's ninety-five dollar commuter.
2:54 The rival comes with no inspection, and a shop charges about twenty-five dollars to
2:59 check the brakes.
3:00 Seventy-five plus twenty-five is one hundred.
3:05 The tagged bike wins by five dollars, and the sticker prices pointed the other way.
3:10 Three evenings of searching surfaced that reversal, which is a sane trade for a bike
3:15 and an absurd one for gum.
3:18 Match the depth of the process to the size of the decision.
3:23 Four families of factors shape buying decisions, and Theo's stall meets all four
3:28 every Saturday.
3:30 Personal factors are facts of the buyer's own life: age,
3:34 sex, education, occupation, income level, budget, and lifestyle.
3:40 They set what a consumer needs, wants, and can afford.
3:43 Renee's profile card from last topic is a stack of personal factors:
3:48 forty-one years old, a ninety dollar budget, a middle schooler who needs to
3:52 reach campus by bell time.
3:54 Her income sets the ceiling and her kid's age sets the frame size.
3:58 Psychological factors operate inside the buyer's head:
4:02 values and beliefs, perceptions, learning, and individual motivations,
4:06 all shaping attitudes toward products and willingness to buy.
4:10 Renee values safety over speed.
4:13 Perception is how a product reads before the facts arrive,
4:17 and used bikes read as risky, which is the exact perception the orange tag exists to
4:22 correct.
4:23 Learning means associations built from prior experience,
4:27 so a parent whose last secondhand bike snapped a chain in a week arrives carrying
4:32 an association Theo has to outweigh.
4:35 Motivation is the push behind the purchase, and hers is a Saturday deadline.
4:41 Social and cultural factors come from other people: peers,
4:45 family, social status, cultural norms, and media.
4:49 They define what feels acceptable, desirable, or appropriate to buy.
4:54 When three families at school pickup mention the same stall,
4:58 buying there becomes the normal move, and at the school bike rack a clean rebuilt
5:02 commuter carries a little status of its own.
5:05 The pickup photos Theo posts with written permission are media doing the same work
5:10 at scale.
5:11 Situational influences are temporary conditions around the moment of purchase:
5:16 store design, meaning noise, lighting, and organization,
5:19 plus timing and product availability.
5:22 A flea market is loud and cluttered, so Theo's rack fights the setting:
5:26 three tiers in a straight line, tags facing out, a clear lane for test rides.
5:32 A sunny back-to-school Saturday encourages buying and a rainy one discourages it,
5:37 with the bikes identical both days.
5:39 Expect the exam to test that situational influences are temporary conditions around
5:44 the purchase, not features of the product.
5:49 Zoom out from one decision to many and you get a purchasing pattern:
5:53 a consumer's typical routine for buying, described by timing,
5:58 frequency, and quantity.
6:00 Where a person lives and works, their income level, and the patterns of family
6:04 and friends all help set it.
6:06 Theo's ledger shows his buyers' pattern plainly: local families buy one bike at a
6:11 time, every few years per kid, clustered in late August,
6:15 from a stall a short drive from home.
6:18 Laws bend those patterns by regulating what consumers can buy and when and where
6:23 they can buy it.
6:24 Many places require helmets for young riders, so a kids' bike sale tends to pull
6:29 a helmet sale along behind it.
6:31 Consumer protection laws exist to help people avoid fraudulent or unsafe
6:36 products, and they reach Theo directly: reselling a recalled children's product
6:41 can break the law, so checking recall lists is the first point on his twenty-one
6:46 point inspection.
6:48 Legal factors also give rise to substitutes, because when a product gets
6:51 harder to obtain, consumers find another way to meet the need.
6:55 Where cities restrict rental scooters, some riders substitute bicycles,
7:00 and a few of them roll up to a used-bike stall.
7:03 Technology rewrites patterns faster than law does, because innovation keeps making
7:08 new products accessible.
7:10 The internet reaching homes in the nineteen nineties moved shopping,
7:14 information, and entertainment online, and smartphones spreading in the twenty tens
7:19 put all three in every pocket.
7:23 Trued Cycles only exists inside that shift.
7:26 Theo learned repairs from free videos, sells through a marketplace app,
7:31 and watches parents stand at his rack checking his price against new-bike prices
7:35 on their phones.
7:37 Expect the exam to test that technology changes patterns on both sides of the
7:41 sale, seller reach and buyer information.
7:46 So why did the father in the cold open say yes?
7:50 A psychologist named Robert Cialdini catalogued the principles of influence:
7:55 psychological factors that lead people to comply with a request.
8:00 Marketers build sales tactics on them, and every principle on this list has an
8:05 honest application and a manipulative one.
8:08 Scarcity: the rarer an item seems, the more people want it.
8:14 Limited-time offers and only-one-left-at-this-price labels are
8:17 scarcity tactics manufacturing urgency.
8:21 The vendor's line about three other buyers is scarcity faked.
8:25 Theo's true version requires no invention, because every used bike really is one of
8:30 one; when this bike sells, there is no second one.
8:35 Authority: people tend to follow authority figures, so marketers hire expert
8:40 spokespeople, like doctors endorsing a toothpaste, and emphasize the credentials
8:45 of whoever provides the service.
8:48 The signed orange tag is authority at stall scale: a documented twenty-one point
8:53 inspection is a credential the buyer can hold in one hand.
8:57 Consensus: people follow the norms of their social group,
9:01 so marketers promote positive customer feedback until a product feels widely
9:05 liked.
9:06 The permission-based pickup photos are consensus made visible,
9:10 a wall of local kids on trued bikes that the next family can join.
9:14 Liking: people are more easily influenced by someone they like or relate to,
9:19 so marketers feature people who look and act like the target customer and build
9:24 personal rapport.
9:26 Theo's version comes free: he is a local teenager, he remembers which kid rides
9:31 which bike, and he explains brake pads in plain language at every test ride.
9:37 Reciprocity: people feel obliged to give back after receiving something of value,
9:42 which is why free trials, samples, and gifts sell.
9:45 Theo airs up the tires and lubes the chain of whatever bike a browser rode in on,
9:50 no charge, and some browsers return as buyers carrying a small debt nobody wrote
9:55 down.
9:56 Consistency: people repeat behavior that matches their self-image,
10:01 so marketers appeal to identity, promoting a product as the thing health-conscious
10:06 buyers choose. A listing that opens with, for parents who put safety first,
10:11 invites Renee to act like the person she already believes she is.
10:15 Unity: when people feel part of a group, the group's influence on them grows,
10:21 so marketers build community and invite customers to cocreate.
10:25 Theo lets each kid pick the handlebar tape color on their rebuilt bike,
10:30 and a fall group ride for trued families turns past customers into members.
10:36 Now evaluate tactics, because the exam creators will ask you to judge one and
10:41 build one.
10:42 A tactic is worth keeping when the principle still works after full
10:46 disclosure, so Theo's test is to say the tactic to the customer's face and see if
10:52 it survives.
10:53 This tag lists everything I checked survives.
10:56 Come back within thirty days and the tune-up is free survives,
11:00 and it reverses the risk that keeps used-bike buyers from saying yes.
11:05 Three other people are coming this afternoon dies the moment a buyer asks
11:09 who, and one caught lie undoes the trust the signed checklist was built to earn,
11:15 and trust is what converts these buyers.
11:17 That is also your assignment from this topic: develop a sales tactic of your own,
11:23 name the principle it draws on, and check that it passes the face test.
11:28 That's Topic 2.2.
11:31 Buyers say yes when personal, psychological, social,
11:34 and situational forces line up, and Theo's whole toolkit,
11:38 the tag, the photos, the guarantee, earns compliance without a lie.
11:44 One belief remains unproven: Theo is certain the orange tag sells bikes for
11:49 more money, faster, and so far he has zero evidence.
11:53 How would he actually test it?
11:55 Designing that test is Topic 2.3, Market Research.
12:00 If this helped, a like tells YouTube to show it to more first-cohort students,
12:04 and subscribing gets you the whole course, in order,
12:07 as it's built.
12:08 And the free AP Business vocab pack, every key term from all five units,
12:13 is waiting at mamako.app, link below.
12:16 The 2.2 practice video is ready next.
12:19 See you next time.

Why Consumers Buy

Consumer behavior starts from a simple fact: people buy goods and services to meet needs and wants. A parent needs a child transported to school and wants that to happen on a bike the child will actually ride. Most needs have rival goods circling them, meaning several products that could satisfy that same need. Where rivals exist, four things settle the choice: price, differentiated product features, availability, and advertising.

Run one decision through all four. A comparable new bike costs about twice the price of an inspected used one, so price pulls toward the used rack. A signed inspection tag and a thirty day tune up promise are differentiated features that no factory fresh rival carries. Availability favors the rack too, because that bike goes home today while an online order arrives next week. And the listing that brought the parent to the stall is advertising doing its only job, putting a product in front of the person whose need it fits.

Essential knowledge: 2.2.A.1

Rational Decisions and Habitual Ones

The care a consumer takes scales with the cost of getting it wrong. Consequential purchases, a home, a car, or the first bike a child rides through traffic, earn a rational decision making process: name the alternatives, weigh each one on the factors that matter, then pick the best fit. Routine low stakes purchases run on habit instead. Nobody compares gum brands at the register, and nobody should.

A rational process finds the product that actually fits the need, and it charges for the search, mostly in time. Compare a tagged ninety five dollar commuter with an untagged seventy five dollar rival: a shop inspection on the cheaper bike runs about twenty five dollars, which puts its true cost at one hundred and reverses the ranking the sticker prices suggested. Three evenings of searching to surface that reversal makes sense for a bike and would be ridiculous for a pack of gum. Scale the depth of the process to the size of what is being decided.

Essential knowledge: 2.2.A.2

Four Families of Influence

Four families of factors shape any buying decision, and a busy Saturday market meets all four at once.

Personal factors are facts about the buyer's own circumstances: age and sex, education, occupation, income, budget, lifestyle. They set what a person needs, wants, and can afford. Renee's profile card is a stack of them.
Psychological factors work inside the buyer's head: values and beliefs, perceptions, learning built from prior experience, and personal motivation. Used bikes are perceived as risky, which is exactly the perception a documented inspection exists to correct.
Social and cultural factors arrive from other people: family and peers, social status, cultural norms, media coverage. When three families at school pickup name the same seller, buying there becomes the normal move.
Situational influences are passing conditions surrounding the purchase itself. Store design counts here, covering noise levels, lighting, and how a space is organized, and so do timing and whether the product is on hand. A sunny back to school Saturday sells bikes a rainy one does not.

Essential knowledge: 2.2.A.3, 2.2.A.4, 2.2.A.5, 2.2.A.6

Purchasing Patterns, Law, and Technology

Zoom out from a single decision to many and you get a purchasing pattern: the routine a consumer settles into when buying, described by when they buy, how often, and how much. Where someone lives and works, what they earn, and the habits of family and friends all help set it. A used bike ledger shows the pattern plainly. Local families purchase a single bike at a time, once every few years per child, bunched into late August, and close to home.

Laws bend those patterns by setting rules about what can be sold, to whom, and where. Helmet requirements for young riders pull a helmet sale along behind a kids' bike sale. Consumer protection laws help buyers avoid fraudulent or unsafe products, and they reach small sellers directly, since reselling a recalled children's product can break the law and a recall check belongs at the top of any inspection list. Restrictions also create substitutes: where a city limits rental scooters, some riders switch to bicycles instead.

Technology reshapes patterns faster than law manages to, because innovation keeps putting new products within reach. The internet arriving in homes in the 1990s moved shopping, information, and entertainment online, and smartphones spreading in the 2010s put all three in a pocket. A teenage refurbisher exists inside that shift: repairs learned from free videos, sales made through a marketplace app, and parents standing at the rack checking new bike prices on a phone. Technology changes both sides of the sale, seller reach and buyer information.

Essential knowledge: 2.2.B.1, 2.2.B.2, 2.2.B.3

The Seven Principles of Influence

The psychologist Robert Cialdini catalogued the principles of influence, the psychological factors that make people more likely to comply with a request. Marketers build a sales tactic on them, and every principle below has an honest application and a manipulative one.

Principle	What it says	An honest application
[[scarcity-principle\|Scarcity]]	Rarity raises perceived worth	A rebuilt bike genuinely is one of one
[[authority-principle\|Authority]]	People follow credible experts	A signed inspection a buyer can hold
[[consensus-principle\|Consensus]]	People follow group norms	Permitted photos of local families riding
[[liking-principle\|Liking]]	People are swayed by people they like	Plain language answers at every test ride
[[reciprocity-principle\|Reciprocity]]	A gift creates an obligation	Free air and chain lube for any browser
[[consistency-principle\|Consistency]]	People act like the person they believe they are	Listings written for parents who put safety first
[[unity-principle\|Unity]]	Shared identity increases influence	A group ride for past customers

The manipulative versions are the same principles with the evidence removed. Scarcity faked as three other buyers arriving this afternoon, authority borrowed from a credential nobody can check, and consensus manufactured from invented reviews all work briefly and cost the seller the trust that made the sale possible.

Essential knowledge: 2.2.C.2, 2.2.C.3, 2.2.C.4, 2.2.C.5, 2.2.C.6, 2.2.C.7, 2.2.C.8

Evaluating a Sales Tactic

The exam will ask you to judge a tactic and to build one, so carry a test you can apply in a sentence. A tactic is worth keeping when the principle behind it still works after full disclosure. Saying this tag lists everything I checked survives disclosure. Saying come back inside thirty days and the tune up is free survives it, and it also reverses the risk that stops used bike buyers from committing. Saying three other people are coming this afternoon collapses the moment a buyer asks who, and one caught lie erases the credibility the inspection was built to earn.

When you write your own tactic, name the principle it uses, state the evidence that makes the claim true, and check that a customer hearing the whole reasoning would still buy. That is the difference between persuasion and manipulation, and it is the standard a free response answer should apply.

Essential knowledge: 2.2.C.1

Worked examples

The true cost of the cheaper bike

Compare two alternatives on total cost rather than sticker price, using a rational decision making process.

A parent finds two bikes that meet the same need. Theo's commuter costs ninety five dollars and carries a documented safety inspection. An untagged listing on the marketplace asks seventy five dollars with no inspection of any kind. A bike shop charges about twenty five dollars to check the brakes on a used bike, and this parent will not put a child on an unchecked bike. Which option costs less once the comparison is complete?

Tagged inspected commuter: $95
Untagged marketplace listing: $75
Shop charge to inspect an unchecked bike: $25

1. State the need both options must meet
The need is a safe bike, not merely a bike. Any option that leaves the brakes unverified has not met the need, so the comparison has to include whatever it takes to verify them.
2. Price the cheaper option to the same standard
The untagged bike costs seventy five dollars plus a twenty five dollar shop inspection, which is one hundred dollars.
\$75+\$25=\$100
3. Price the tagged option
The tagged bike already carries the inspection, so nothing is added. Its total cost is ninety five dollars.
4. Compare the completed totals
One hundred dollars against ninety five dollars means the more expensive sticker is the cheaper purchase by five dollars.
\$100-\$95=\$5

Answer
The $95 tagged bike, by $5. The tagged bike is cheaper by five dollars, even though its sticker price is twenty dollars higher.

Why it matters
This is what a rational decision making process buys and what it costs. The reversal only appears if the buyer spends time gathering information, which is a reasonable trade for a bike and an absurd one for a routine purchase. The depth of the process should track the size of the decision.

Key terms

6 common mistakes on 2.2

The wrong moves students actually make on these questions, why each one is wrong, and what to do instead. Part of the practice tier.

See what is included

Essential knowledge covered

2.2.A.1 · 2.2.A.2 · 2.2.A.3 · 2.2.A.4 · 2.2.A.5 · 2.2.A.6 · 2.2.B.1 · 2.2.B.2 · 2.2.B.3 · 2.2.C.1 · 2.2.C.2 · 2.2.C.3 · 2.2.C.4 · 2.2.C.5 · 2.2.C.6 · 2.2.C.7 · 2.2.C.8