Question 1

Which of the following best describes the function of the short-term sensory store (STSS) in the information processing model?

Accepted Answer

It temporarily holds vast amounts of sensory information for a brief period, allowing some of it to be abstracted and processed.

Question 2

According to the information processing model, which factor would most likely increase the speed of response in a simple reaction time task?

Accepted Answer

Increasing the amount of practice with the task.

Question 3

In the Sperling Experiment (1960), what did the results demonstrate about sensory memory?

Accepted Answer

Sensory memory can store a large amount of information for a very brief period.

Question 4

A person is given a phone number verbally and remembers it for about 30 seconds without repeating it. Which memory system is primarily involved?

Accepted Answer

Short-term memory (STM)

Question 5

Which process is essential for transferring information from short-term memory (STM) to long-term memory (LTM)?

Accepted Answer

Maintenance rehearsal and encoding

Question 6

Which of the following is a limitation in stimulus identification according to the information processing model?

Accepted Answer

Sustained attention

Question 7

A driver is distracted by a phone conversation while operating a vehicle. According to research, which stage of information processing is most affected?

Accepted Answer

Response selection

Question 8

Which of the following best characterizes automatic processing in response selection?

Accepted Answer

Fast, effortless, and high capacity

Question 9

What is the psychological refractory period (PRP)?

Accepted Answer

The delay in responding to the second of two closely spaced stimuli due to interference in movement programming.

Question 10

If two stimuli are presented with a stimulus onset asynchrony (SOA) of 40 ms, how will the motor system likely respond according to the double stimulation paradigm?

Accepted Answer

It will group both stimuli and respond to them simultaneously.

Question 11

According to the timing considerations of the PRP, what is the expected reaction time (RT) for the second stimulus if $$50 \u003c SOA \u003c 200 ms$$?

Accepted Answer

$$RT_{S_2$} = RT_{S_1$} + 100 ms$$

Question 12

Which of the following best explains the information processing bottleneck observed during the psychological refractory period?

Accepted Answer

The second stimulus must wait until the response programming stage for the first stimulus is cleared.

Question 13

Which principle describes the relationship between arousal and performance, indicating that optimal performance occurs at a moderate level of arousal?

Accepted Answer

Inverted-U Principle

Question 14

Perceptual narrowing under stress is beneficial because:

Accepted Answer

It enables the person to devote more attention to the most relevant sources of stimuli.

Question 15

Which of the following is a real-world example of choking under pressure?

Accepted Answer

A tennis player misses an easy shot during a championship match due to anxiety.

Question 16

According to the attentional control theory of anxiety, what happens to attention when a person is under threat?

Accepted Answer

Attention to the current goal is reduced in the presence of threatening stimuli.

Question 17

Which of the following best describes the process of developing automaticity in response selection?

Accepted Answer

Automaticity is developed through a large amount of practice under consistent conditions.

Question 18

Which memory system is responsible for storing information for a lifetime and requires effort to consolidate information from STM?

Accepted Answer

Long-term memory (LTM)

Question 19

A person is performing a complex task under high arousal and begins to miss important cues. According to the Inverted-U Principle, what is the most likely explanation?

Accepted Answer

High arousal causes perceptual narrowing, reducing the ability to detect relevant stimuli.

Information Processing, Memory, and Performance Under Stress: Decision Stage 2

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