An Item-Difficulty Index of 1 Occurs When

question 56

Multiple Choice

An item-difficulty index of 1 occurs when

• A) all examinees answer the item incorrectly.
• B) all examinees answer the item correctly.
• C) examinees are evenly divided between correct and incorrect responses.
• D) None of these

Understand the concept and importance of an HR dashboard in Human Resources.

Understand the concept and purpose of an HRM audit.

Understand the concept of a standard normal distribution.

Calculate percentages associated with specific z-scores in a standard normal distribution.

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Definitions:

Methodologies

Denotes the systematic, theoretical analysis of the methods applied to a field of study or the theoretical analysis of the body of methods and principles associated with a branch of knowledge.

Epidemiological Studies

Epidemiological studies are research investigations that examine the patterns, causes, and effects of health and disease conditions in defined populations.

Incidence

The occurrence, rate, or frequency of a disease, crime, or something undesirable within a specified population or area.

Prevalence

The proportion of individuals in a population who have a particular disease or condition at a specific time.