Describe the Four Main Goals of Psychological Science and Use

question 28

Essay

Describe the four main goals of psychological science and use an example of each goal to illustrate your points.

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Definitions:

Normally Distributed

Symmetric around the mean, this probability distribution illustrates a decline in occurrences as you move away from the mean, emphasizing more frequent near-mean data points.

Population Assumptions

Premises or conditions considered to be true about a population from which a sample is drawn for statistical analysis.

Wilcoxon Rank Sum Test

A statistical test that doesn't rely on parameter-based data, designed to evaluate if there's a difference in the population mean ranks between two unrelated samples.

5% Significance Level

A threshold in hypothesis testing that indicates a 5% probability of rejecting the null hypothesis when it is actually true, a standard benchmark in statistical analysis to determine significance.