Producing accurate and reliable project cost estimations at an early stage of a project’s life cycle remains a substantial challenge in the information technology field. This research benchmarks the performance of various approaches to estimating IT project effort and duration. Empirical data were gathered from various ‘‘real-world” organizations including several prominent Israeli high-tech co...

Grado Department of Industrial and Systems Engineering, Virginia Tech, Durham Hall, Blacksburg, VA 24060, USA b System Performance Laboratory, Grado Department of Industrial and Systems Engineering, Virginia Tech, Northern Virginia Center, 7054 Haycock Road, Falls Church, VA, USA Center for Highway Asset Management Programs (CHAMPS), Via Department of Civil and Environmental Engineering, Virgin...

We describe an ethnographic study that examines how low-tech and high-tech surfaces support creativity and collaboration during a workshop breakout session. The low-tech surfaces included post-it notes, flipcharts, and walls. The high tech surface comprised a multi-touch tabletop. Input was either by pen or fingertips. The breakout session comprised four groups using the different surfaces and ...

We describe an ethnographic study that explores how low tech and new tech surfaces support participation and collaboration during a workshop breakout session. The low tech surfaces were post-it notes and large sheets of paper. The new tech surfaces were writeable walls and a multi-touch tabletop. Four groups used the different surfaces during three phases: i) brief presentation of position pape...

We describe an ethnographic study that examines how low-tech and high-tech surfaces support creativity and collaboration during a workshop breakout session. The low-tech surfaces included post-it notes, flipcharts, and walls. The high tech surface comprised a multi-touch tabletop. Input was either by pen or fingertips. The breakout session comprised four groups using the different surfaces and ...