The 123test.com IQ test consisted of ten questions, focusing on word association, numerical analysis, pattern recognition, and spatial thinking, and is scored using the number of correct answers questions to produce a range of IQ scores. The iqtest.com IQ test consisted of thirty-eight questions, analyzing the candidate's potential in certain intelligence categories, providing an IQ score based on the results. Finally, the literacynet.org IQ test consisted of fifty-six questions in which the test taker answers with a number from one to five, where five indicated that the statement describes the tester very strongly and one indicated that the statement describes the tester very poorly. the tester. Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an original essay The three tests are not reliable because selecting the same answers may not produce consistent results as the results are compared with those of others to generate an IQ point. Furthermore, they may not be valid for achieving the goal of assessing an individual's intelligence. The main reason for this is that the tests are all self-administered and questions can be guessed, resulting in an inaccurate assessment; Furthermore, test results may be subject to certain biases such as social desirability bias. In the 123test IQ test, the ten questions asked may not have been enough to produce accurate results about an individual's intelligence, as missing a single question can drastically reduce the score. Additionally, they focused on testing participants' skills in the English language, numerical logic, and spatial awareness, which may not be considered the only components of knowledge that assess a person's intelligence. Similar to the 123test IQ test, the iqtest IQ test contains questions on English words, spelling, numbers, logic and spatial awareness; however, questions are asked in a true or false format, which can encourage guessing and lead to inaccuracies in assessing one's intelligence. Additionally, the results take into account the time taken to take the test and are presented by an intelligence profile with an overall IQ score and a score for each of the following intelligence categories: arithmetic, spatial ability, logic, spelling, short-term memory . , mechanical use, algebra, general knowledge, visual apprehension, geometry, vocabulary, intuition and calculation speed. While the first two IQ tests provide a score according to the IQ scale, the Literacynet IQ test is based on Gardner's eight intelligences, including bodily-kinesthetic, intrapersonal, interpersonal, naturalistic, linguistic, logical-mathematical, musical and spatial, providing a score out of 5.0 for each intelligence category. One of the major flaws of this IQ test is that the questionnaire is self-reported, which is likely inaccurate due to social desirability bias. Several external variables may have influenced the outcome of each IQ test. Genetic factors include brain function and neural activity; while environmental factors include nutrition, stress, health, education and previous experiences. 123test.com, co-founded by Edwin van Thiel, who has a PhD in Artificial Intelligence and Psychometrics, has received a rating of 9.1 stars out of 10 from 328 reviews and explicitly states that its IQ tests are valid and accurate. The iqtest website claims that its IQ test is the most scientifically valid and was developed by doctoral students to provide in-depth analysis of..