The Hubbard Brook Watershed Deforestation Experiment Yielded All of the Following

question 49

Multiple Choice

The Hubbard Brook watershed deforestation experiment yielded all of the following results except:

• A) Most minerals were recycled within a forest ecosystem.
• B) The flow of minerals out of a natural watershed was offset by minerals flowing in.
• C) Deforestation increased water runoff.
• D) The nitrate concentration in waters draining the deforested area became dangerously high.
• E) Calcium levels remained high in the soil of deforested areas.

---

Definitions:

Error Variance

Error variance refers to the portion of variability in a set of data that results from factors other than the independent variable, often attributed to random or uncontrolled variables.

Shyness

A temperament or personality condition characterized by a feeling of unease or inhibition in social situations, possibly leading to avoidance.

Measurement Principle

The fundamental concept that any phenomenon to be studied must have a corresponding method of measurement to be scientifically investigated.

Aggregation

The combining together of different measurements, such as by averaging them.