Articles by author: Brock University

  • Research aims to improve understanding of children’s procrastination

    MEDIA RELEASE: September 10, 2024 – R0108

    It’s not uncommon to catch preschoolers dilly-dallying when they’re supposed to be tidying or school-aged children putting off homework for more desirable tasks.

    But are these forms of procrastination? And do they influence future adult tendencies?

    These are questions Brock Professor of Psychology Caitlin Mahy is taking steps to answer. 

    “Research on procrastination in young children is an emerging field,” she says. “The same measures we use to study adult procrastination don’t necessarily apply to children at different stages of development.”

    Mahy has co-published a paper calling for procrastination definitions, theory and interventions to be informed by studies on adults and children, which have so far run parallel to one another.

    By taking this approach, researchers will more deeply understand how procrastination plays out in young children as they mature, leading to better early-life interventions, she says.

    The paper maps out children’s typical procrastination-type behaviours in various stages beginning with preschoolers (ages two to four), who put off tasks and household routines; older preschoolers (ages five and six), who delay doing homework and household chores; elementary and middle-school children (ages seven to 13), who experience an increase in academic procrastination; and high school teens (ages 14 to 18), for whom procrastination is prominent at school as competing demands on time increase.

    As time passes, children generate more simultaneous goals, while parents play a decreasing role in generating, directing and regulating goals for their children.

    Researchers probing for a greater understanding of these behaviours mostly rely on reports from parents describing what they see with their children compared to studies on adult procrastinators who fill out questionnaires on their own behaviours, says Mahy.

    The standard definition of procrastination includes five criteria: there is an intention to perform the task; the task is delayed; the delay is voluntary; the delay is unnecessary; and future negative outcomes are expected.

    “Very young children have difficulty reporting on their intentions,” says Mahy, “Even if we study their behaviour, you don’t necessarily know the child’s intentions, you can’t read their mind to see if they’ve anticipated future consequences, you’re just observing their delay in performing tasks.”

    Because young children’s abilities to be introspective and fully understand the consequences of their delays are absent, their behaviours can’t be strictly classified as being “procrastination, according to the current, prevalent definition,” says Mahy.

    “Instead, we can say these may be early pre-cursors or represent emerging procrastination behaviour.”

    In addition to reshaping the definition of procrastination to capture children’s experience, Mahy and her team describe how theory and intervention could be further improved by considering adult and child research.

    They outline several cognitive abilities, such as emotion regulation, that likely contribute to the development of procrastination. They also recommend more research on the development of children’s procrastination over time and across age ranges, as well as the creation of more objective ways of assessing children’s procrastination.

    These and other findings are included in “Mutual implications of procrastination research in adults and children for theory and intervention” — published in the September issue of Nature Reviews Psychology — in which co-authors Yuko Munakata from the University of California Davis and Akira Miyake from the University of Colorado Boulder review a broad range of research on adults’ and children’s procrastination.

    For parents wishing to help their children avoid procrastinating, Mahy offers these tips:

    • Use a “starting ritual” such as a countdown or the “Pomodoro technique,” which involves five-minute breaks after 25 minutes of doing the task.
    • Clear distractions, such as toys or screens, in the immediate environment.
    • Break down longer-term deadlines into shorter tasks and chunks of time.
    • Make tasks more fun to do and accomplish.

     

     For more information or for assistance arranging interviews:

    Sarah Ackles, Communications Specialist, Brock University sackles@brocku.ca or 289-241-5483

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    Categories: Media releases

  • Nobel Prize winner to share laser focus at public talk

    MEDIA RELEASE: September 6, 2024 – R0107

    From eye surgery to smartphones, lasers now play a major role in everyday life.

    The groundbreaking research that led to revolutionary laser applications will be the focus of an upcoming public talk by the first Canadian woman to win the Nobel Prize in Physics.

    Donna Strickland, an optical physicist and pioneer of ultrafast and high-intensity lasers, will discuss how her Nobel Prize-winning research resulted in a new understanding of laser-matter interactions during a public talk at Brock University later this month. This work has led to innovative laser applications in eye surgery, advanced imaging, fibre optic telecommunications, and micromachining techniques that are used in creating the glass screens used in smartphones.

    Strickland’s talk, Generating high-intensity, ultrashort optical pulses, will take place at Brock on Thursday, Sept. 19 from 7 to 8 p.m. in the Sean O’Sullivan Theatre, located in Thistle Complex.

    The Professor in the Department of Physics and Astronomy at the University of Waterloo received the 2018 Nobel Prize in Physics along with Gérard Mourou for developing chirped pulse amplification (CPA). They first published their Nobel-winning research in 1985 — when Mourou was Strickland’s PhD supervisor — and have since paved the way toward the most intense laser pulses ever created.

    The pair essentially developed a “laser hammer” that delivers short, intense pulses of light to knock electrons off their atoms, says Strickland.

    “Think about using your hand to try and drive a nail into a piece of wood. You can push with all your might and it won’t go in. But if you hit the nail quickly with a hammer, it goes in. It’s not only about how much force or energy you put in,” she says.

    A well-known CPA application is cataract surgery, during which a person’s eye lens is removed and replaced with an artificial one. The lens thickens and loses flexibility with age, making it stiff and difficult to remove through a tiny laser-cut hole.

    The laser hits the clouded lens within the eye allowing it to then be removed through the hole, she says.

    Another common application is micromachining glass for smartphone screens. Normally, the light from a laser would go through glass rather than being absorbed and turned into thermal energy, or heat, that could be used for cutting, says Strickland.

    “CPA allows us to work directly on the glass. Through laser hammering, we can either change the refractive index of the glass to slow the speed of light travelling through it or we can cut it,” she says.

    “We use cellphones, TV displays and computer monitors every day, but few of us appreciate that these precise screens are delicately cut by an ultrafast and ultrahigh intensity laser,” says Jianbo Gao, Brock University Associate Professor of Chemistry, who invited Strickland to speak and was inspired by her work when he was a PhD student.

    As lead for Brock’s Ultrafast Photophysics of Quantum Materials Lab, Gao investigates ultrafast laser interaction with advanced materials, leading to novel applications of solar cells, photodetectors and light-emitting diodes (LED).

    “Donna’s work has impacted scientific fields beyond physics, such as chemistry, materials science and biology,” he says.

    Strickland’s talk is one of several lectures planned as part of Brock’s 2024 Faculty of Mathematics and Science (FMS) Research Colloquium Series, Research at the Speed of Light, funded in part by the FMS Dean’s Office and the Office of the Vice-President, Research.

    “The talks we have planned this year centre on the unique applications of photons —particles of light — in applications such as lasers and materials characterization techniques, such as imaging,” says Peter Berg, FMS Dean and Professor of Physics. “We will also learn about the principle of causality — if event A can influence event B, B should not influence A — and whether modern physics obeys this principle. This is intimately tied to the concept of time travel, which is often equated to travelling faster than the speed of light.”

    Anyone interested in attending Strickland’s free public lecture is asked to register in advance.

    Brock community members can reserve their seat through ExperienceBU. Those without a Brock email account are asked to email Justin Steepe, FMS Strategic Planning and Operations Manager, at jsteepe@brocku.ca to reserve a space.

    For more information or for assistance arranging interviews:

    * Sarah Ackles, Communications Specialist, Brock University sackles@brocku.ca or 289-241-5483

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    Categories: Media releases