To gain several minutes of user attention, you must clearly communicate your value proposition within 10 seconds.

24 Web Site Usability Testing Tools

This is the second article in a three part series on patterns and principles for RIA design.

Standard Screen Patterns: 12 patterns w/100 examples
Essential Controls: 30 controls for RIA design and development
Components for Commonly Requested Features: 15 patterns and examples

Every designer has a set of controls they rely on to communicate an effective UI. This is my library of essential controls.

This is the third article in a three part series on patterns and principles for RIA design.

L'autore, rifacendosi ad Aristotele, sottolinea che la virtù (aretè) del buon designer consiste nel mettere in grado le persone di svolgere al meglio il loro lavoro (ergon).

Ancora una volta viene messo in evidenza il concetto di "fare" come chiave di comprensione dei bisogni di un potenziale utente (di un prodotto o un servizio).

Increasingly, software engineering (SE) and UID have to cope with a shorter time-to-market, whereas the quality of the delivered software must not suffer. This continuous shortening of development lifecycles is a great challenge to both project management and the applied methods and tools. Therefore, many usability engineering (UE), UID and agile method experts have developed light-weight approaches or so-called agile usability engineering(AUE).

To design an easy-to-use interface, pay attention to what users do, not what they say.

Questo sito racchiude almeno 4 chicche interessanti che ruotano tutte intorno alla metafora dell'umore (mi sento bene, sono triste, etc):

Usage goes down as interaction costs increase. User motivation determines how fast demand drops, following an elasticity curve.