Q: A person can detect a difference of 3 grams when holding 10 grams. According to Weber's Law, what is the just noticeable difference (JND) when holding 50 grams?

$$JND = \frac{3}{10} \times 50 = 15$$

Question 1

Which of the following best describes the difference between empirical and rationalist approaches in psychology?

Accepted Answer

Empirical approaches emphasize knowledge from sensory experience, while rationalist approaches emphasize reasoning and innate ideas.

Question 2

A researcher wants to study the effect of sleep deprivation on memory recall. She randomly assigns participants to either a sleep-deprived group or a control group and measures their recall performance. Which type of experimental design is she using?

Accepted Answer

Experimental Research

Question 3

Which brain region is primarily responsible for higher-order functions such as reasoning, language, and problem-solving?

Accepted Answer

Cerebral Cortex

Question 4

A person can detect a difference of 3 grams when holding 10 grams. According to Weber's Law, what is the just noticeable difference (JND) when holding 50 grams?

Accepted Answer

$$JND = \frac{3}{10} 	imes 50 = 15$$

Question 5

Which of the following is an example of procedural memory?

Accepted Answer

Riding a bicycle

Question 6

In classical conditioning, what is the term for a stimulus that naturally elicits a response without prior learning?

Accepted Answer

Unconditioned Stimulus (UCS)

Question 7

Which neurotransmitter is most commonly associated with mood regulation and is often targeted by antidepressant medications?

Accepted Answer

Serotonin

Question 8

A student is exposed to a list of words and later asked to recall them. Which type of memory is primarily being tested?

Accepted Answer

Short-Term Memory (STM)

Question 9

Which of the following best illustrates top-down processing in sensation and perception?

Accepted Answer

Recognizing a familiar face in a crowd based on expectations and prior knowledge.

Question 10

In an experiment, the variable that is manipulated by the researcher is called the:

Accepted Answer

Independent Variable (IV)

Question 11

Which of the following is a key difference between operant and classical conditioning?

Accepted Answer

Classical conditioning involves learning through association, while operant conditioning involves learning through consequences.

Question 12

Which of the following best describes the function of the hypothalamus?

Accepted Answer

Regulates homeostasis, including hunger, thirst, and body temperature.

Question 13

A researcher wants to ensure that groups in her experiment are comparable and results are not due to chance. Which method should she use?

Accepted Answer

Random Sampling and Assignment

Question 14

Which of the following is an example of semantic memory?

Accepted Answer

Knowing the capital of France

Question 15

In Pavlov's classical conditioning experiment, what was the conditioned stimulus (CS)?

Accepted Answer

The bell

Question 16

Which of the following best describes the process of synaptic transmission?

Accepted Answer

Action potential travels down the axon, causing neurotransmitter release into the synaptic cleft.

Question 17

Which of the following is a heuristic in problem solving?

Accepted Answer

A mental shortcut used for decision-making.

Question 18

A patient suffers damage to the limbic system. Which of the following functions is most likely to be affected?

Accepted Answer

Emotion and motivation

Question 19

Which of the following statements about explicit and implicit memory is correct?

Accepted Answer

Explicit memory involves conscious recall; implicit memory does not require conscious recall.

Question 20

A researcher observes and describes behavior without manipulating variables. Which type of research is this?

Accepted Answer

Descriptive Research

Biological Psychology and Experimental Methods: Structured Study Notes

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