Random Assignment Is Used in Experiments Because Researchers Want To

question 85

Multiple Choice

Random assignment is used in experiments because researchers want to:

• A)guarantee that the results will be statistically significant.
• B)ensure that people from different social classes will be in separate groups.
• C)generalize the findings to people not represented in the sampling.
• D)reduce the likelihood that the experiment's results will be due to any preexisting differences between the experimental and control groups.

---

Definitions:

Energy Form

Different manifestations of energy, such as kinetic energy, potential energy, thermal energy, electrical energy, chemical energy, and nuclear energy.

Mass-Energy Transfer

The concept that mass and energy are interchangeable, underpinning the principle of mass-energy equivalence.

Thermal Equilibrium

A state in which all parts of a system are at the same temperature, resulting in no net flow of thermal energy.

Static Equilibrium

A state in which an object or system is at rest or moving with constant velocity, experiencing no net force.