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Psychological Testing (Popularity: ): Describes commonly used psychological tests, including their development and typical applications. Mental health job postings and discussion of issues and news related to professional psychology are also available.
About.com: Psychological Testing and Assessment (Popularity: ): Information and resources about educational and psychological testing and assessment, including a glossary of terms, guidelines and standards, and links to a selection of online tests.
Intelligence and Nurture (Popularity: ): General information about psychological testing with emphasis on giftedness testing and childhood nurture. Brief overview of testing theory, reliabilty, validity.
Buros Institute (Popularity: ): The Buros Institute publishes the Mental Measurements Yearbook and Tests in Print. This site provides information and links to other resources for locating both tests and evaluative reviews of tests.
APA Science Directorate: Testing and Assessment (Popularity: ): American Psychological Association. Provides information on psychological testing and assessment, acquiring psychological tests, and ordering the Standards for Educational and Psychological Testing guide.
Psychological Testing (Popularity: ): A description of the types of Psychological Tests, the justification for their uses, and client rights.
BENET Clinical Assessment (Popularity: ): Selected assessment resources in clinical psychology, neuropsychology and behavior analysis.
Cause, chance and Bayesian statistics (Popularity: ): Briefing document to facilitate understanding Bayesian statistics, including its application to intelligence quotient statistics.
Psychometrics Research Unit (Popularity: ): Research results, questionnaires and publications of the Psychometrics Research Unit (University of Valencia, Spain). Content a mixture of English, Spanish, Valencian and Portuguese.
Principal Components and Factor Analysis (Popularity: ): Chapter from StatSoft's Electronic Statistics Textbook.
Work Survey (Popularity: ): A York University study on work behaviors and attitudes. Open to everyone who is employed either part-time or full-time.
UCSD Attention and Perception Lab (Popularity: ): Online psychology experiments and surveys at the University of California, San Diego, Attention and Perception Lab.