When Experimental Participants Viewed Three Rows of Three Letters Each

question 312

Multiple Choice

When experimental participants viewed three rows of three letters each for only one-twentieth of a second,they

• A)recalled only half the letters because they did not have enough time to see all of them.
• B)recalled only about seven of the letters because of storage limitations.
• C)had a momentary sensory memory of all nine letters.
• D)formed a sensory memory of no more than a single letter.

Recognize factors important in designing questionnaires to minimize errors.

Understand the concept of sampling and various sampling techniques.

Comprehend the impact of sample size on the accuracy of sample estimates.

Distinguish between sampling and nonsampling errors and methods to minimize them.

---

Definitions:

Pruning

In neuroscience, the process by which extra neurons and synaptic connections are eliminated to increase the efficiency of neuronal transmissions.

Reuptake

A process by which neurotransmitters are absorbed back into the neural cell after being released, effectively stopping their action on adjacent nerves.

Interneurons

Neurons that transmit impulses between other neurons, especially as part of a reflex arc in the nervous system.

Neurons

Nerve impulse-transmitting specialized cells, considered the essential elements of the nervous system.