A Professor Considers the Difference of Validity of His Mid-Term

question 33

Multiple Choice

A professor considers the difference of validity of his mid-term exam between male and female students. This professor is dealing with

• A)range restriction.
• B)confusion between predictor and criterion.
• C)differential prediction.
• D)face validity.

---

Definitions:

PLC Program

A sequence of instructions written for a Programmable Logic Controller (PLC) to automate machinery or processes.

Structured Text

A high-level programming language designed for industrial automation. It resembles the syntax of Pascal and is one of the five languages for programming PLCs.

Functional Block Diagram

A graphical representation that illustrates the functions and flow of data among different blocks of a system, highlighting the system's functional interactions.

Ladder Diagram

An industry standard for representing relay logic control systems. The diagram resembles a ladder because the vertical supports of the ladder appear as power feed and return buses and the horizontal rungs of the ladder appear as series and/or parallel circuits connected across the power lines.