In a ____, the Researcher Is Able to Manipulate an Independent

question 69

Multiple Choice

In a ____, the researcher is able to manipulate an independent variable but NOT able to use random assignment.

• A) field experiment
• B) quasi-experiment
• C) correlational study
• D) case study

---

Definitions:

Plasma Membrane

The semipermeable membrane surrounding the cytoplasm of a cell, controlling the movement of substances in and out of the cell.

Potential Difference

Difference in electrical potential, measured as the charge difference across the plasma membrane.

Hyperpolarization

An increase in a cell's membrane potential, making it more negative and less likely to fire an action potential.

Voltage-Gated

Pertaining to ion channels that open or close in response to changes in membrane potential, crucial for nerve impulse conduction.