Podcast
Questions and Answers
According to the heuristics and biases model, what is the tendency of people when testing hypotheses?
According to the heuristics and biases model, what is the tendency of people when testing hypotheses?
- Asking questions that have a neutral answer
- Avoiding asking questions altogether
- Seeking evidence that disconfirms their hypotheses
- Seeking evidence that confirms their hypotheses (correct)
What is the name of the task used to test the confirmation bias?
What is the name of the task used to test the confirmation bias?
- Hendrickson Task
- Perfors Task
- Navarro Task
- Wason Task (correct)
In the Wason Task, what cards do people tend to select to test the rule?
In the Wason Task, what cards do people tend to select to test the rule?
- The \'A\' and \'7\' cards
- The \'A\' and \'26\' cards (correct)
- The \'A\' card only
- The \'S\' and \'7\' cards
When are people more likely to seek disconfirming evidence?
When are people more likely to seek disconfirming evidence?
What is the optimal approach to hypothesis testing in terms of information gained with each query?
What is the optimal approach to hypothesis testing in terms of information gained with each query?
What is the model that describes the tendency for people to seek confirming evidence?
What is the model that describes the tendency for people to seek confirming evidence?
What is the research focus of the heuristics and biases model?
What is the research focus of the heuristics and biases model?
What is the relationship between confidence and accuracy in decision-making?
What is the relationship between confidence and accuracy in decision-making?
What is the primary function of binocular cues in the visual system?
What is the primary function of binocular cues in the visual system?
Why might Elizabeth choose to use psychophysics instead of fMRI in her experiment?
Why might Elizabeth choose to use psychophysics instead of fMRI in her experiment?
What is the purpose of testing astronauts before and after their space flight?
What is the purpose of testing astronauts before and after their space flight?
What method would Elizabeth use to select the step sizes for her experiment?
What method would Elizabeth use to select the step sizes for her experiment?
What is the primary function of the phonological loop in Baddeley and Hitch's Working Memory model?
What is the primary function of the phonological loop in Baddeley and Hitch's Working Memory model?
What is an example of a task that involves the use of the visuo-spatial sketchpad in everyday life?
What is an example of a task that involves the use of the visuo-spatial sketchpad in everyday life?
What is the name of the experimental technique Elizabeth might use to measure orientation sensitivity?
What is the name of the experimental technique Elizabeth might use to measure orientation sensitivity?
What would Elizabeth do with the responses collected from the participants?
What would Elizabeth do with the responses collected from the participants?
What is a common difficulty faced by individuals with phonological loop impairments?
What is a common difficulty faced by individuals with phonological loop impairments?
What does the visuo-spatial sketchpad allow us to do with information stored in long-term memory?
What does the visuo-spatial sketchpad allow us to do with information stored in long-term memory?
Why might Elizabeth choose to use a perceptual measure of orientation sensitivity?
Why might Elizabeth choose to use a perceptual measure of orientation sensitivity?
What is the primary advantage of using psychophysics in Elizabeth's experiment?
What is the primary advantage of using psychophysics in Elizabeth's experiment?
What is an example of a profession that heavily relies on visual imagery?
What is an example of a profession that heavily relies on visual imagery?
How many components does Baddeley and Hitch's original Working Memory model have?
How many components does Baddeley and Hitch's original Working Memory model have?
What is the primary function of the phonological loop in language learning?
What is the primary function of the phonological loop in language learning?
What is the name of the researchers who found that children and adults with phonological loop impairments can have language learning difficulties?
What is the name of the researchers who found that children and adults with phonological loop impairments can have language learning difficulties?
What is a common property observed across languages regardless of culture?
What is a common property observed across languages regardless of culture?
What did the deaf children in Nicaragua create when left without adult language input?
What did the deaf children in Nicaragua create when left without adult language input?
What is an implication of the universality of language acquisition in deaf children?
What is an implication of the universality of language acquisition in deaf children?
What is a feature of language that is demonstrated by the deaf children in Nicaragua?
What is a feature of language that is demonstrated by the deaf children in Nicaragua?
What is an example of a cross-cultural language property?
What is an example of a cross-cultural language property?
What is the significance of the sign language created by the deaf children in Nicaragua?
What is the significance of the sign language created by the deaf children in Nicaragua?
What does the developmental learning sequence suggest about language?
What does the developmental learning sequence suggest about language?
What is a characteristic of sign language?
What is a characteristic of sign language?
What is the sequence that normally developing children follow in language development?
What is the sequence that normally developing children follow in language development?
What is a characteristic of language development that is universal across cultures?
What is a characteristic of language development that is universal across cultures?
What can be inferred from the fact that children follow a universal sequence in language development?
What can be inferred from the fact that children follow a universal sequence in language development?
What is the term for the smallest units of sound in language?
What is the term for the smallest units of sound in language?
What can be demonstrated by creating an acoustic continuum across two phonemes?
What can be demonstrated by creating an acoustic continuum across two phonemes?
What can be concluded from the fact that deaf children also follow the same language development sequence as hearing children?
What can be concluded from the fact that deaf children also follow the same language development sequence as hearing children?
What is the primary function of the phonological loop in Baddeley and Hitch's Working Memory model?
What is the primary function of the phonological loop in Baddeley and Hitch's Working Memory model?
What is a characteristic of sign language structure?
What is a characteristic of sign language structure?
What is the visuo-spatial sketchpad responsible for in Baddeley and Hitch's Working Memory model?
What is the visuo-spatial sketchpad responsible for in Baddeley and Hitch's Working Memory model?
What is an implication of the fact that language development follows a universal sequence across cultures?
What is an implication of the fact that language development follows a universal sequence across cultures?
What can be inferred about the origin of the categorical perception of phonemes?
What can be inferred about the origin of the categorical perception of phonemes?
What is an example of a task that involves the use of the phonological loop in everyday life?
What is an example of a task that involves the use of the phonological loop in everyday life?
What is the key aspect of focussed visual attention that is similar to a spotlight?
What is the key aspect of focussed visual attention that is similar to a spotlight?
What is a common difficulty faced by individuals with phonological loop impairments?
What is a common difficulty faced by individuals with phonological loop impairments?
What is the result of something being 'illuminated' by the spotlight of attention?
What is the result of something being 'illuminated' by the spotlight of attention?
What is a limitation of our attentional capacity, as compared to a spotlight?
What is a limitation of our attentional capacity, as compared to a spotlight?
How many components does Baddeley and Hitch's original Working Memory model have?
How many components does Baddeley and Hitch's original Working Memory model have?
What is an implication of the flexibility of attention, as compared to a spotlight?
What is an implication of the flexibility of attention, as compared to a spotlight?
What is an example of a profession that heavily relies on visual imagery?
What is an example of a profession that heavily relies on visual imagery?
What is a key difference between attention and awareness, according to the spotlight analogy?
What is a key difference between attention and awareness, according to the spotlight analogy?
What do research studies show about individuals with phonological loop impairments?
What do research studies show about individuals with phonological loop impairments?
What is the primary function of the visuo-spatial sketchpad in everyday life?
What is the primary function of the visuo-spatial sketchpad in everyday life?
What does the spotlight analogy suggest about the role of attention in processing information?
What does the spotlight analogy suggest about the role of attention in processing information?
What can be inferred about the function of attention, based on the spotlight analogy?
What can be inferred about the function of attention, based on the spotlight analogy?
What is the primary function of the central executive in working memory?
What is the primary function of the central executive in working memory?
What is an example of a monocular cue used in visual perception?
What is an example of a monocular cue used in visual perception?
What happens when you engage in task switching, as described in the central executive's functions?
What happens when you engage in task switching, as described in the central executive's functions?
What is the term given to the concept of one object blocking another object from view, indicating it is closer to the viewer?
What is the term given to the concept of one object blocking another object from view, indicating it is closer to the viewer?
What is the result of trying to divide the phonological loop's limited resources between two tasks?
What is the result of trying to divide the phonological loop's limited resources between two tasks?
What is the function of the central executive in the context of watching a movie and answering a phone call?
What is the function of the central executive in the context of watching a movie and answering a phone call?
What is the primary function of binocular cues in visual perception?
What is the primary function of binocular cues in visual perception?
What is an example of task switching in everyday life?
What is an example of task switching in everyday life?
Study Notes
Decision-Making and Biases
- People tend to exhibit confirmation bias, seeking evidence that confirms their hypotheses about relationships between entities, rather than looking for contradictory evidence.
- Perfors and Navarro (2009) found that this approach is optimal in terms of information gained when the entities referred to by the hypothesis are rare.
Laboratory Studies on Confirmation Bias
- The Wason Task demonstrates the existence of confirmation bias, as people tend to choose cards that confirm their hypothesis rather than those that could disconfirm it.
- Hendrickson et al. (2016) showed that people seek confirming evidence when entities are rare, but seek disconfirming evidence when they are frequent.
Measuring Orientation Sensitivity
- To measure orientation sensitivity, Elizabeth could use psychophysics, a technique that provides a robust, objective estimate.
- She would test astronauts before and after their space flight, using the method of constant stimuli to estimate the participant's orientation threshold.
Models of Decision-Making
- The heuristics and biases model proposes that people make decisions based on mental shortcuts and biases rather than rational calculation.
Working Memory Model
Original 1974 Working Memory Model by Baddeley and Hitch
- The model consists of three components:
Phonological Loop
- Responsible for temporary storage and rehearsal of verbal information, such as words and numbers.
- Consists of two subcomponents.
- Important for tasks like remembering phone numbers, following verbal instructions, and learning new vocabulary.
- Impairments in the phonological loop can lead to language learning difficulties.
Visuo-Spatial Sketchpad
- Responsible for temporary storage of visual information and spatial information.
- Involved in tasks like navigation and visual searches.
- Used in professions that require visual imagery, such as design-related fields.
Language Universality
- Language is considered universal because it is a fundamental aspect of human culture, used by people across different cultures and languages, including sign language.
- Cross-cultural studies show that all languages share similar properties, such as syntactic categories, phonology, and the ability to express infinite ideas.
- Deaf children in Nicaragua, with no language input, invented their own sign language, demonstrating that language acquisition is universal and not dependent on cultural transmission.
- The developmental learning sequence is shared across cultures, with children following a similar pattern of language development, from babbling to complex grammar.
Categorical Perception
- Categorical perception in spoken language refers to the processing of phonemes, the smallest units of sound in words.
- Humans perceive phonemes categorically, meaning that our perception does not perfectly match the physical reality of sound waves.
- This effect is not unique to humans and is also observed in other animals, like chinchillas.
Attention and Memory
Spotlight Analogy
- The spotlight analogy describes focused visual attention as a beam that selectively focuses on specific aspects of the environment, ignoring others.
- The analogy captures the key aspects of attention, including selective focus, limited capacity, flexibility, and awareness.
Working Memory Model
- Baddeley and Hitch's (1974) Working Memory model consists of three components: the phonological loop, visuo-spatial sketchpad, and central executive.
- The phonological loop is responsible for temporarily storing and rehearsing verbal information, such as phone numbers and vocabulary.
- The visuo-spatial sketchpad is responsible for temporarily storing visual and spatial information, and mentally visualizing and manipulating information.
- The central executive coordinates the activities of the phonological loop and visuo-spatial sketchpad, focusing attention, switching between tasks, and dividing attention.
Perception
Monocular and Binocular Cues
- People use both monocular and binocular cues to judge the depth of an object.
- A monocular cue is information from one eye only, such as occlusion, where one object occludes another, indicating it is closer to the viewer.
- A binocular cue is information from both eyes, such as disparity, where the difference in location of an object in the left and right eye views indicates depth.
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Description
This quiz explores the concept of confirmation bias in decision-making, where people seek evidence that confirms their hypotheses. It discusses the optimal approach to hypothesis-testing and information gathering.
