The Two Statements Below Refer to a Questionnaire Screener

question 19

Multiple Choice

The two statements below refer to a questionnaire screener.
I.The primary function of a screener is to distinguish between those who
Should be included in the research from those who should not be included.
II.The end result of the screener is an invitation to participate in the research for
All those who qualify.
Which,if any,of these statements is (are) true?

• A)I only
• B)II only
• C)I and II are both true
• D)Neither I nor II are true

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Definitions:

Labor Demand Curve

A graphical representation showing the relationship between the quantity of labor demanded by firms and the wage rate.

Labor Productivity

A measure of economic performance that indicates the amount of goods and services produced per unit of labor input.

Labor Supply Curve

A graphical representation showing the relationship between the quantity of labor supplied and the wage rate, typically illustrating that higher wages attract a larger labor supply.

Technological Change

Refers to the process of innovation and improvement in technology which leads to new products, services, or more efficient ways of doing things.