Transcription of Good and Bad Examples of Signifiers, Constraints, and …
1 September 29, 2014. good and Bad Examples of signifiers , constraints , and Mapping found in and around the Indiana University campus in Bloomington Kimberlyn Beard, Evelyn Johnson, Mallory Vann, Zhenyu Yang good example Bad example Affordances: This faucet has two knobs to turn, and we know This is just a faucet, there is no instruction on how to turn them based on their shape; flattened, to use it. Luckily, after you wave your hands with indentations to help the grip. under the tap, there is a sensor that calls for warm water (only one temperature is available). constraints : The lid on this cup acts as a constraint, because The desired action here is to push a (red) button there is only one opening through which liquid in case of an emergency.
2 Even if there is no can easily flow. This lid constrains how the user emergency, the button is easily, and often can drink, and also how much can be spilled at accidentally, pressed. There is no constrain here. a time. No protective (albeit easily lifted) box over the button to prevent such accidents. Kimberlyn Beard, Evelyn Johnson, Mallory Vann, Zhenyu Yang good example Bad example Mappings: The label for Griggs was originally just on the glass door. That label wasn't doing a great job guiding This ATM is a great example of mapping. Slots people to the right location, so someone printed to insert a card, or receive a receipt are out a sign to hang in the window. The sign has the clearly labeled.
3 If the user is deaf, there is an name, Griggs, as well as an arrow. audio input also labeled and available. The key pad buttons are labeled and colored to correspond with their function. Kimberlyn Beard, Evelyn Johnson, Mallory Vann, Zhenyu Yang
