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The Internet knowledge (iKnow) measure??Original Research ArticleComputers in Human Behavior LabVIEW programming encourages and stimulates learner to focus on automation topics ? Hands-on programming ensures learner has clear understanding of automation and control ? LabVIEW programming encourages learner t Despite increasing development and administration of Internet surveys, tests, and many other applications to be used by employees and the general public, little is known about the knowledge individuals bring to Internet tasks. This research improves our understanding of the concept of Internet knowledge, and provides initial support for the construct validity of a new measure of Internet knowledge with respect to its factor structure, internal consistency reliability, and concurrent validity. From a practical perspective, clearer definition of Internet knowledge and the availability of a reliable measure of such knowledge can advance our understanding of how individuals develop Internet experience through its use and may also inform the process by which web sites and Internet applications are designed. Article Outline 1. Internet knowledge as a construct 2. Construct validation of an Internet knowledge measure 2.1. Frequency of use 2.2. E-mail and information search 2.3. Internet self-efficacy beliefs 2.4. Computer experience 3. Individual difference variables 3.1. Gender 3.2. Age 4. Method 4.1. Study design and participants 4.2. Measures 4.2.1. Internet knowledge measure development 4.2.2. Internet knowledge items 4.2.3. Information search internet use items 4.2.4. E-mail internet use items 4.2.5. Other measures administered 5. Results 5.1. Factor structure 5.2. Internal consistency reliability 5.3. Concurrent validity 5.4. Individual differences variables 6. Discussion and conclusion Appendix A. Internet use items administered Information search internet use items: E-mail internet use items: References A model-based aspect-oriented framework for building