PBS Activities 1.1.1 and 1.1.2 Review

Front

What is the purpose of framing a crime scene with police tape?

Back

To establish a perimeter around the crime scene and prevent unauthorized access.

Front

What are physiological responses?

Back

The body's reactions that can be felt, detected, or measured, such as heart rate and sweating.

Front

What is the dependent variable in an experiment?

Back

The variable that is measured or observed in response to changes in the independent variable.

Front

What physiological changes might occur when a person lies?

Back

Increased heart rate, increased respiration rate, and sweating.

Front

What is baseline data in a polygraph test?

Back

Data taken from control questions to provide a reference point for physiological responses during the test.

Front

What is the independent variable in an experiment?

Back

The variable that is manipulated or changed to observe its effect on the dependent variable.

Front

What is the control variable in an experiment?

Back

Variables that are kept constant to ensure that the results are due to the independent variable.

Front

What is the significance of a bird's eye view in crime scene analysis?

Back

It provides an overview of the scene, helping to understand the layout and positioning of evidence.

Front

How can increased heart rate indicate stress or deception?

Back

It is a physiological response that can be measured and is often associated with emotional states.

Front

What role do sensors play in measuring physiological responses?

Back

Sensors detect and record changes in bodily functions, such as heart rate and skin conductivity.