Surveys are used extensively in psychology, sociology and business, as well as many other areas, but they are becoming increasingly difficult to conduct. Some segments of the population are hard to sample, some are hard to find, others are hard to persuade to participate in surveys, and still others are hard to interview. This book offers the first systematic look at the populations and settings that make surveys hard to conduct and at the methods researchers use to meet these challenges. It covers a wide range of populations (immigrants, persons with intellectual difficulties, and political extremists) and settings (war zones, homeless shelters) that offer special problems or present unusual challenges for surveys. The team of international contributors also addresses sampling strategies including methods such as respondent-driven sampling and examines data collection strategies including advertising and other methods for engaging otherwise difficult populations.

Knit unique beanies inspired by the jaw-dropping and unique landscapes from each of the 63 US National Parks. From the brightly colored pebbles of Lake McDonald in Montana's Glacier National Park to the regal granite cliffs of El Capitan and Half Dome in California's Yosemite Valley, the US National Parks contain some of the most recognizable and iconic natural landmarks in the world. Capture the majesty each national park offers with original beanie patterns created by knitting designer and outdoor enthusiast Nancy Bates. Beanies range from simple beanie constructions to more challenging stitch patterns such as the two-color crossovers inspired by South Dakota's Badlands or the multiple cable designs inspired by New Mexico's Carlsbad Caverns. Clear charts, easy-to-read keys, and thorough instructions help any knitter, whether beginner or experienced, through these gratifying projects. Show your love and appreciation of our national parks with these beautiful and practical beanie projects you can wear any time or any place. 63 KNITTING PATTERNS: Every US National Park is celebrated with a unique beanie design, including the newly designated park New River Gorge in West Virginia BEAUTIFULLY PHOTOGRAPHED: Each pattern is accompanied by photos of the finished beanie and gorgeous images of the park's landscapes that inspired it INSPIRED BY NATURE: Learn about each national park's unique fauna, flora, and landscapes that inspired each original beanie, from the Painted Wall in Colorado's Black Canyon of the Gunnison to the Salt Flats in California Death Valley EASY-TO-FOLLOW INSTRUCTIONS: Each of the 63 beanies knitting patterns have been tested and verified and offer clear charts so that knitters of every skill level can knit a beanie in no time

Surveys are used extensively in psychology, sociology and business, as well as many other areas, but they are becoming increasingly difficult to conduct. Some segments of the population are hard to sample, some are hard to find, others are hard to persuade to participate in surveys, and still others are hard to interview. This book offers the first systematic look at the populations and settings that make surveys hard to conduct and at the methods researchers use to meet these challenges. It covers a wide range of populations (immigrants, persons with intellectual difficulties, and political extremists) and settings (war zones, homeless shelters) that offer special problems or present unusual challenges for surveys. The team of international contributors also addresses sampling strategies including methods such as respondent-driven sampling and examines data collection strategies including advertising and other methods for engaging otherwise difficult populations.