Tests and measures are often utilized in research and assessment. They can be a wide range of instruments such as surveys, questionnaires, scales, and other forms. Although you may not be able to access a complete test or measure without purchase there are other methods of reviewing a measurement tool and deciphering its usefulness to your own research.
One helpful way to discover tests and measures is to review literature on those that have been utilized in study themselves. Locating research articles detailing out the methods used can be an ideal place to locate an example of a measure you may want to utilize yourself.