Examlex

Solved

Before the Advent of Intercoms, Old Mansions Had a Sash

question 51

Multiple Choice

Before the advent of intercoms, old mansions had a sash in each room. Each sash was connected to a bell on a master board in the servants' office. When someone pulled a sash in a particular room, a bell corresponding to the room would ring on the master board, informing a servant where to go to provide assistance.
This system is similar to which of the following?


Definitions:

Correlation Coefficient

A numerical indicator showing the degree to which multiple variables co-vary.

Cause-and-Effect Relationship

A connection between two events where one event (cause) leads to the outcome of another event (effect).

Sampling Bias

A distortion in the outcome of a study due to the method in which samples are collected, resulting in a non-representative sample of the population.

Response Set

A tendency in survey respondents to answer questions in a particular pattern, regardless of the content.

Related Questions