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Research Methods in Developmental Psychology
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Research Methods in Developmental Psychology

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Questions and Answers

What is the preferential looking paradigm used for in infants?

  • Measure visual acuity (correct)
  • Test color perception
  • Assess depth perception
  • Evaluate motor skills
  • How does the Grating Acuity Test measure visual acuity in infants?

  • Testing response to sound stimuli
  • Using paddles with different numbers of stripes (correct)
  • Through measuring head circumference
  • By presenting colorful toys
  • At what age do infants achieve adult-like visual acuity?

  • 1 month
  • 6 months (correct)
  • 3 months
  • 9 months
  • Which rule describes the tendency for motor skills to emerge from the head to the feet?

    <p>Cephalocaudal Rule</p> Signup and view all the answers

    What type of reflexes do newborns predominantly display?

    <p>Motor reflexes</p> Signup and view all the answers

    Which motor skill follows the Cephalocaudal Rule?

    <p>Swallowing</p> Signup and view all the answers

    What is the main difference between Longitudinal and Cross-Sectional Research Designs?

    <p>Longitudinal studies the same individuals over time, while Cross-Sectional studies different age groups at the same time.</p> Signup and view all the answers

    What does the High Amplitude Sucking Paradigm measure in infants?

    <p>Sucking frequency to measure preferences</p> Signup and view all the answers

    What does Habituation Paradigm measure in infants?

    <p>Gaze/looking time</p> Signup and view all the answers

    Why is habituation important in studying infant perceptual development?

    <p>To examine infant's preference and discrimination between stimuli</p> Signup and view all the answers

    When does Perceptual Development begin according to the provided text?

    <p>In utero</p> Signup and view all the answers

    What is the main role of Sensation in perceptual development according to the text?

    <p>Detecting physical signals in the environment</p> Signup and view all the answers

    Study Notes

    Infants' Visual Development

    • The Preferential Looking Paradigm is used to measure visual perception in infants, as it reveals what they are interested in and can see.
    • Grating Acuity Test measures visual acuity in infants by presenting them with a series of black and white stripes, and the finest grating that an infant can detect indicates their visual acuity level.
    • Infants typically achieve adult-like visual acuity around 6 months of age.

    Motor Skill Development

    • The Cephalocaudal Rule describes the tendency for motor skills to emerge from the head to the feet, meaning that infants develop head and neck control before moving down to the arms and legs.
    • Newborns predominantly display reflexes, which are automatic responses to stimuli.
    • The Cephalocaudal Rule is demonstrated in the development of motor skills, such as rolling, reaching, and walking.

    Research Designs

    • Longitudinal Research Designs involve studying the same group of infants over a long period, while Cross-Sectional Research Designs involve studying different groups of infants at different ages.
    • The main difference between these two designs is the duration of the study and the number of participants involved.

    Infants' Perceptual Development

    • The High Amplitude Sucking Paradigm measures sucking patterns in infants to understand their perception and attention to stimuli.
    • The Habituation Paradigm measures infants' ability to habituate to repeated stimuli, which reveals their ability to perceive and process information.
    • Habituation is important in studying infant perceptual development because it indicates how infants process and adapt to new information.
    • Perceptual development begins at birth, as infants are immediately exposed to sensory stimuli and start to process and respond to them.
    • The main role of Sensation in perceptual development is to provide the foundation for perception, as it is the process by which infants detect and respond to sensory stimuli.

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    Description

    Explore different research designs and paradigms used in developmental psychology, including longitudinal and cross-sectional research designs. Learn how researchers study development over time and variations in performance at different ages.

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