This booklet describes how to use the Pulmonica pulmonary harmonica and answers frequently asked questions about this unique device. Photos clearly demonstrate how to use and clean the pulmonary harmonica.

Dana K. Keller and Mary Lou Casadevall-Keller provide readers with a highly accessible introduction to the fundamental concepts of research methods in The Tao of Research: A Path to Validity. This brief, engaging book approaches the topic of research through an exploration of the issues that threaten validity in the process of knowledge generation.

Key Features

Examines the propositional, ethical, structural, functional, and technical restrictions researchers face Focuses on understanding how these restrictions influence research methods and results Makes concepts more accessible through discussions that follow the experiences of three "guides"-a high school principal, a statewide director of public health, and a sociology professor at a small liberal arts college.

The Tao of Research: A Path to Validity serves as either a main or supplemental text for courses such as Introduction to Research Methods, Social Research Methods, and Applied Research Methods.