A Researcher Is Interested in Knowing If Exposure to Certain

question 57

Multiple Choice

A researcher is interested in knowing if exposure to certain chemicals has an effect on mental acuity in old age. He compares the mental acuity of a group of elderly people who were exposed to the chemicals and another group who were not. The study would be an example of what kind of research?

• A) an experiment
• B) a quasi-experiment
• C) a cross-sectional study
• D) a longitudinal study
• E) a case study

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Definitions:

ASCII String

An ASCII String is a sequence of characters encoded using the ASCII standard, representing text in computers and other devices.

Atoi

Short for "ASCII to integer," a function that converts a string representation of an integer into its numerical value.

Independent Modules

Separate units or components of a software program that can function independently and are often developed separately but work together as part of the larger application.

C Functions

Blocks of code in C programming that perform a specific task and can be called from other parts of a program.