Question

A researcher tells some participants that they scored low on an intelligence test while she tells others they scored high on the intelligence test. Although she never actually graded the tests, she finds that those told they scored low rated their abilities much lower than those told they scored high. What is the best test to analyze the results of this study

Answer 1

There are different kind of ways' used in analyzing results. The best test to analyze the results of this study is the use of Independent Samples t Test.  

• The Independent Samples t Test is known to be used in comparing the means of two independent groups so as to determine if there is statistical evidence that the linked population means are significantly different.

Independent samples are known to be measurements made on two different sets of items. If the values in one sample shows no information about those of the other sample, it is said to be independent.

An Example of independent t-test is often used to understand whether second year graduate salaries differed based on gender.

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