Random Assignment Is Important to an Experiment to Ensure That

question 92

Multiple Choice

Random assignment is important to an experiment to ensure that

• A)any differences found between the groups are caused by the independent variable.
• B)any differences found between the groups are caused by the dependent variable.
• C)the subjects in a study are a good representation of the larger population.
• D)experimenter bias does not contaminate the results.

---

Definitions:

Cerebral Cortex

The outer layer of the cerebrum in the brain, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.

Myelination

Myelination is the process of forming a myelin sheath around the neurons in the brain and spinal cord, which helps in the rapid and efficient transmission of electrical impulses along nerve cells.

Sustained Attention

The ability to maintain focus on a specific task or activity over a prolonged period of time without becoming distracted.

Cerebral Cortex

The outer layer of the brain's cerebrum, involved in complex brain functions like thinking, decision-making, and language.