When Comparing Two Groups in Which Each Participant Gets a Score

question 61

Multiple Choice

When comparing two groups in which each participant gets a score for each level of the ordinal independent variable (a within-groups design) , the best nonparametric test to use is the:

• A) paired-samples t test.
• B) Mann-Whitney U test.
• C) Wilcoxon signed-rank test.
• D) Kruskal-Wallis H test.

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Definitions:

Neutrons

Neutrons are subatomic particles found in the nucleus of an atom; they are neutral, having no electric charge and a mass slightly greater than that of protons.

Polar Covalent Bonds

A type of chemical bond where a pair of electrons is unequally shared between two atoms, resulting in a molecule with a partially positive end and a partially negative end.

Unequal Sharing

Asymmetric allocation or distribution of resources, responsibilities, or power among parties.

Covalent Bond

A chemical bond formed when atoms share one or more pairs of electrons, resulting in a stable balance of attractive and repulsive forces between atoms.