A Web ________ Is an Invisible Piece of Code That

question 66

Short Answer

A Web ________ is an invisible piece of code that silently notifies the sender when a message was opened and may also report other information from the user's computer.

---

Definitions:

Dependent Variable

The variable in an experiment that is expected to change as the independent variable is manipulated.

Experimental Group

In an experiment, the participants who are exposed to the independent variable under investigation.

Control Group

In an experiment, a group of participants who are not exposed to the independent variable.

Estrogen

The primary female sex hormone.