Preselection Dark Pattern — What It Is & Examples

Preselection is a dark pattern where the option most beneficial to the company is pre-chosen — a checkbox already ticked, a radio button already selected, or a dropdown defaulting to the most expensive or invasive choice. The pattern exploits the “default effect,” a well-documented cognitive bias where people tend to stick with the pre-selected option because changing it requires effort. The user does not actively choose the option; they passively accept it by failing to change it.

How It Works

The mechanism is straightforward but powerful. A form or settings page presents several options, with one already selected. Changing the selection requires: (1) noticing the pre-selection, (2) understanding the alternatives, (3) deciding to change, and (4) performing the physical action of clicking. Each step creates a drop-off point. By defaulting to the company-favored option, the company captures all users who fail at any step — which is a significant percentage. The pattern is most effective when the user is in a hurry, on a mobile device, or focused on a primary task (checking out, installing software).

Real-World Examples

An airline booking site pre-checks “Travel Insurance” — a $30 add-on — during the seat selection step. The checkbox is on the right side of the page, below the fold on a 13-inch screen. Users focused on choosing seats and completing the booking do not see it. The fee appears in the total as “Insurance” without being broken out clearly. The airline relies on 3–5% of passengers not noticing, generating millions in revenue.

A software installer presents two options: “Express Install” (recommended, default) and “Custom Install” (small text link). Express Install bundles a browser toolbar, a search engine redirect, and a “shopping assistant” extension. Custom Install shows each option as a clear toggle. Most users click “Next” through Express Install without ever seeing what they agreed to, because each bundled item is on a separate “offer” screen they skip past.

An online grocery checkout offers “Rounding Up to the Nearest Dollar for Charity” — pre-checked. The charity name is generic (“Help Local Families”), and the donation amount is $0.01–$0.99. Users who notice the $0.47 rounding do not bother removing it because it is “just a few cents.” Aggregated across millions of orders, this generates substantial revenue that the company may partially keep as “processing fees.”

A mobile app’s notification prompt shows two options: “Allow Notifications” (selected, highlighted) and “Maybe Later” (not selected, gray). There is no “Don’t Allow” option at this step — it requires going to system settings. Users who tap “Next” accept notifications. Users who tap “Maybe Later” get prompted again until they eventually accept.

A cloud storage sign-up form pre-selects the annual plan ($120/year) rather than the monthly plan ($15/month). The difference is not immediately visible because the pricing table highlights the annual plan as “Save 33%!” without stating the annual commitment clearly. Users who intend to try the service for one month accidentally commit to a full year.

Why It’s a Dark Pattern

Preselection is deceptive because it relies on user inaction rather than informed choice. The user has not consented to the pre-selected option — they simply did not change it. In regulated contexts (EU Consumer Rights Directive, UK Consumer Contracts Regulations), pre-checked boxes for additional payments are explicitly illegal because they do not represent affirmative consent. The pattern is ethically problematic because it systematically disadvantages users who are rushed, distracted, or less technically skilled.

How to Spot It

Before checking out or completing any form, scan all checkboxes and radio buttons for pre-selected options. Ask: “Did I actively choose this, or is it pre-checked?” Common culprits: travel insurance, extended warranties, donation round-ups, newsletter subscriptions, and add-on products. In software installers, always choose “Custom” or “Advanced” regardless of what “Express” promises. On mobile, expand collapsed sections to see all options.

How to Protect Yourself

Develop a habit of reviewing every pre-checked option before paying or submitting. Use the “Custom” installation path for all software. Browser extensions like “Uncheck ‘Em” (for cookie consent) and “Checkout Notifier” can help flag pre-selected add-ons. When subscribing to a service, compare monthly vs. annual pricing carefully — the annual commitment may not be worth the discount. Consider using a privacy-focused email alias for sign-ups to compartmentalize marketing emails.

FAQ

Related Dark Patterns

Sneak Into Basket Forced Continuity Trick Questions