Illus. in full color. Forced to stay at home on Halloween because she's been too good, Little Witch gives three trick-or-treaters high-flying broomstick rides.

The statistical methods used to evaluate and compare different methods of measurement are a vital common component of all methods of scientific research.

The role and importance of measurement in scientific psychiatry is difficult to over-stress. It is a field where there is a fruitful interplay between the ideas typical of the 'medical model' of disease and those coming from the psychometric traditions of, say, educationalists or personality theorists. The style of this important text is problem-based rather then technique-led, thus encouraging thought in the use of statistical techniques, rather than a heavy reliance on formulae.

This book explores the political process behind the construction of cyber-threats as one of the quintessential security threats of modern times in the US.

Myriam Dunn Cavelty posits that cyber-threats are definable by their unsubstantiated nature. Despite this, they have been propelled to the forefront of the political agenda. Using an innovative theoretical approach, this book examines how, under what conditions, by whom, for what reasons, and with what impact cyber-threats have been moved on to the political agenda. In particular, it analyses how governments have used threat...