Which of the Following Is a Descriptive Method Used in Psychological

question 32

Multiple Choice

Which of the following is a descriptive method used in psychological research?

• A) an experiment
• B) a case study
• C) a double-blind study
• D) a single-blind study

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Definitions:

Normal Approximation

Normal approximation is a statistical technique that involves using the normal distribution to approximate the distribution of sample means or sums, especially useful for large sample sizes.

Standardized Test Statistic

A measure used in statistical hypothesis testing, indicating how far a sample statistic deviates from its null hypothesis expected value, typically expressed as a z-score.

Two-Tail Test

is a statistical test that considers extreme values in both tails of the distribution to test for a non-specific alternative hypothesis.

Wilcoxon Rank-Sum Test

A non-parametric statistical test used to compare two independent samples to assess whether their populations differ in terms of their central tendency.