Is there a valid, reliable, and free intelligence test that measures different types of intelligence?

Good afternoon! Conducting research on intelligence and its various facets is an important endeavor. While there are several intelligence tests available, finding a valid, reliable, and free option that measures different types of intelligence can be challenging. Here are a few suggestions:

Raven's Progressive Matrices: This is a non-verbal test that assesses abstract reasoning and is often considered a measure of fluid intelligence. It's widely used in research and is available in some free versions online.

Open Psychometrics: Open Psychometrics (openpsychometrics.org) offers a collection of free psychological tests, including a range of intelligence and cognitive ability tests. While the quality and validity of some tests on the site may vary, it's a resource worth exploring.

Mensa Workout: Mensa, the high-IQ society, offers a free online test called the "Mensa Workout" that assesses logical and reasoning abilities. It's a quick and accessible test.

Cambridge Brain Sciences: Although primarily focused on cognitive assessments, Cambridge Brain Sciences provides a selection of free cognitive tests that cover various cognitive domains, including memory, attention, reasoning, and verbal ability.

CogLab: CogLab is a free resource from the Pearson publishing group that offers various cognitive psychology experiments and assessments, some of which may align with your research interests.

University Websites: Some universities offer free cognitive and intelligence tests as part of their research projects. You can explore the psychology departments of universities to find such resources.

Queendom: Queendom (queendom.com) offers a variety of free psychological assessments, including intelligence and cognitive tests. They cover different aspects of intelligence and cognitive abilities.

CogniFit: CogniFit provides free cognitive and brain training games that can indirectly measure various cognitive abilities. While not traditional intelligence tests, they can be useful for exploring cognitive functions.

MyIQ: MyIQ (myiqtests.com) offers free IQ tests, including measures of verbal, numerical, and logical reasoning. While the reliability and validity of these tests may not be as high as commercial options, they can still be useful for exploratory research.

PsychTests: PsychTests (psychtests.com) offers a variety of free assessments, including intelligence tests and cognitive assessments. They cover different cognitive domains and may be suitable for your research.

Open Source Psychometrics Project: The Open Source Psychometrics Project (openpsychometrics.org) provides access to various free personality and intelligence tests. While the quality of some tests may vary, it's a valuable resource for researchers.

Researcher-Developed Tests: Depending on your specific research goals, you may consider developing your own intelligence assessment tools tailored to your study. This allows you to have full control over the content and format of the test.

Classic IQ Tests: Some classic IQ tests have been made available online for free, such as the Stanford-Binet IQ test and the Wechsler Adult Intelligence Scale (WAIS) subtests. While these may not provide a complete assessment, they can still offer valuable insights into various cognitive abilities.

Mensa Denmark IQ Test: Mensa Denmark offers a free online IQ test, which is based on Raven's Progressive Matrices. It's a quick and straightforward way to assess abstract reasoning skills.

IQTest.com: IQTest.com provides a free IQ test that includes a variety of questions designed to assess different cognitive abilities. Keep in mind that the reliability and validity of such tests may vary.

Free Rice: While not a traditional IQ test, the Free Rice website (freerice.com) offers a game that tests your knowledge in various subjects, including vocabulary, math, and geography. It's a fun way to engage with cognitive abilities while contributing to a charitable cause.

PsyToolkit: PsyToolkit (psytoolkit.org) is a free resource that allows you to create and administer custom psychological experiments and assessments, including intelligence tests. It's a versatile platform for researchers.

DIY Intelligence Test: If you have the expertise, you can design your own intelligence test tailored to your research needs. This option provides the flexibility to focus on the specific cognitive abilities and facets of intelligence you want to investigate.

Hopefully this will give you some ideas :)

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