Question

When faced with a problem or choice, humans can use two different strategies: "cognitive reflectivity," which results in slower responses and few mistakes, or "cognitive impulsivity," which results in quicker responses but also more mistakes. Depending on the individual, these two strategies are used differently.
A pilot experiment was conducted on 22 right-handed individuals who were administered a cognitive reflectivity-impulsivity questionnaire, while recording voxel-based morphometry (regional gray matter density) in the ventral medial prefrontal cortex.1. Based on the experimental design and the kind of data collected, which statistical test(s) should be used to determine whether there is an association between the cognitive strategy, cognitive reflectivity and the gray matter density of the ventral medial prefrontal cortex?
Select all that apply!O t-test of zero linear correlationO One-way ANOVAO z-testO correlation coefficient (r)O two sample t-test

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Based on the experimental design and the data collected the statistical test that should be used is the correlation coefficient.

What are statistical tests?

The statistical tests are tests that are used by researchers to determine the progress of a set process and make a quantitative decision during analysis of test results.

Example of statistical tests include the following:

• t-test of zero linear correlation,

• One-way ANOVA,

• z-test,

• correlation coefficient, and

• two sample t-test.

The correlation coefficient which is a type of statistical test is used to assess the strength and direction of the linear relationships between pairs of variables.

Therefore, the relationship between cognitive reflectivity and cognitive impulsivity in human data can be statistically analysed using correlation coefficient.

Learn more about statistical tests here:

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