A Researcher Is Evaluating the Changes in Performance That Occur

question 4

Multiple Choice

A researcher is evaluating the changes in performance that occur during a six-week training program. Participants are observed at the beginning and at the end of the program and the researcher rates each individual's level of performance. When the researcher's standards for rating performance change from the first observation to the last, then the internal validity of the study is threatened by ____.

• A) history
• B) instrumentation
• C) maturation
• D) statistical regression

---

Definitions:

Indirect Addressing

Indirect addressing refers to accessing data by using a pointer or address that points to the location of the actual data in memory.

Called Function

A function that is invoked by another function during the execution of a program.

Call By Value

A method of passing arguments to functions where the actual value is passed, and modifications inside the function do not affect the original argument.

Affected

In computing, often describes how changes or operations impact system states, variables, or data.