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A Case for More Testing: The Benefits of Frequent, Low-Stakes Assessments

A Case for More Testing: The Benefits of Frequent, Low-Stakes Assessments

A Case for More Testing: The Benefits of Frequent, Low-Stakes Assessments

A Case for More Testing: The Benefits of Frequent, Low-Stakes Assessments

Live Cricket Score Updates, India vs England: Rain has delayed the toss as Virat Kohli-led India eye redemption against England in the second Test of their five-match series at Lord’s on Thursday.

Live Updates: The toss was delayed due to rain as India face England in the second Test at Lord’s. The visitors trail 1-0 after they were beaten in the first encounter at Edgbaston and Virat Kohli & Co will look to produce a better show on a ground where they have won just 2 out of their last 17 Test matches. Kohli will be banking on his top-order batsmen to fire after a disappointing show in the first Test and the visitors can opt for a second spin option in Kuldeep Yadav. For England, Ollie Pope will be making his debut with Moeen Ali possibly playing alongside Adil Rashid in the spin department.

The classic egg drop experiment gets reinvented as a driving question for physics students to explore a real-world problem.

By Suzie Boss
July 26, 2018
When a teenager climbs atop his desk and drops an object to the floor, teacher Johnny Devine doesn’t object. Far from it—he’s as eager as the rest of the class to see what happens next.

In a split second, the student and his teammates get positive feedback for the object they have cobbled together by hand. A small parachute made of plastic and held in place with duct tape opens as planned, slowing the descent and easing the cargo to a safe landing. Students exchange quick smiles of satisfaction as they record data. Their mission isn’t accomplished yet, but today’s test run brings them one step closer to success as aspiring aerospace engineers.



To boost engagement in challenging science content, Devine has his students tackle the same problems that professional scientists and engineers wrestle with. “Right away, they know that what they are learning can be applied to an actual career,” Devine says. “Students are motivated because it’s a real task.”

From the start of Mission to Mars, students know that expert engineers from local aerospace companies will evaluate their final working models of Mars landing devices. Their models will have to reflect the students’ best thinking about how to get a payload from orbit onto the surface of the Red Planet without damaging the goods inside. While real Mars landings involve multimillion-dollar equipment, students’ launchers will carry four fragile eggs.

THE ROAD MAP

Although the project gives students considerable freedom, it unfolds through a series of carefully designed stages, each focused on specific learning goals. Having a detailed project plan “creates a roadmap,” Devine explains, “for the students to really track their progress and see how what they’re learning connects back to the guiding question: How can we successfully land a rover on Mars?”

©George Lucas Educational Foundation

Before introducing technical content, Devine wants students to visualize what space scientists actually do. By watching videos of engineers who design entry, descent, and landing systems for spacecraft, students start getting into character for the work ahead.

Devine introduces a series of hands-on activities as the project unfolds to help students put physics concepts into action. They learn about air resistance, for instance, by experimenting with parachute designs and wrestling with a real challenge: How will they slow their landers to a reasonable speed for entry into the thin Martian atmosphere?

To apply the concept of change in momentum, students design airbag systems to go on the bottom of their landers—a location aptly called the crumple zone. They experiment with bubble wrap and other materials as potential cushioners for their cargo.

As the grand finale approaches, students keep using what they learn to test, analyze, and modify their designs. “You have to repeat the equations with different trials,” one student explains. “Being able to use that math over and over again helps it stick.”

Much of the hands-on learning in this PBL classroom “might look like a traditional physics lab,” Devine acknowledges, with students learning concepts through inquiry investigations. What’s different is the teacher’s ongoing reminder “to make sure students stay in character” as systems engineers. Each lab investigation relates back to their driving question and creates more opportunities for Devine to ask probing questions and formatively assess his students’ understanding. “We do a lot of framing in and framing out after each of those lessons so students have the chance to reflect and connect it back,” the teacher explains.

EXPERT CONVERSATIONS

When it is finally time for students to launch their precious cargo off a second-story landing, engineers from local aerospace companies are standing by to assess results. How many eggs in each lander will survive the fall?

Even more important than the test data are the discussions between experts and students. One engineer, for instance, asks to see earlier versions of a team’s design and hear about the tests that led to modifications. A student named Elizabeth perks up when she hears engineers using the same technical vocabulary that she and her classmates have learned. “It was kind of a connection—this is actually a thing that goes on,” she says.

“They had really deep, meaningful conversations so that students could practice communicating their justification for their designs,” Devine says. Hearing them use academic language and apply physics concepts tells the teacher that students deeply understand the science behind their designs. “At the end of the day, that’s what I’m most concerned about,” he says.

https://youtu.be/bKc2shFqLao


 

1. Consider how AI technology might compel you to revise your course assignments, quizzes, and tests to avoid encouraging unethical or dishonest use of generative AI.  2. Develop and integrate a generative AI policy throughout the course resources:  



Provide clear definitions, expectations, and repercussions of what will happen if students violate the policy.  
Explain the standards of academic integrity in the course, especially as related to use of AI technologies, and review the Integrity of Scholarship and Grades Policy.  






Be clear about what types of AI are acceptable and what versions of the technology students can use or not use.  
Put this policy into D2L and any assignment instructions consistently.  



3. Discuss these expectations when talking about course policies at the beginning of the course and remind students about them as you discuss course assignments:  



Take time to explain to students the pros and cons of generative AI technologies relative to your course. 
Explain the development of your policy and make clear the values, ethics, and philosophies underpinning its development.  






Explain the repercussions of not following the course policy and submit an Academic Dishonesty Report if needed.  



4. If you want to integrate AI in the classroom as an allowed or required resource:  



Consult with MSU IT guidance about recommendations for use and adoption of generative AI technology, including guidelines for keeping you and your data safe.  
Determine if MSU already has access to the tools you desire for free, and if not available through MSU, consider the cost and availability of the resources you will allow or require, and go through MSU's procurement process.   
If you want to require students to use an AI technology that comes with a cost, put the resource into the scheduling system as you would a textbook, so students know that is an anticipated cost to them.  

MSU IT offers a number of valuable tools and services that can help you create an experience that facilitates student success regardless of bandwidth, time zones, or class size. To make an appointment with an instructional technologist, fill out the appointment form located at https://tech.msu.edu/service-catalog/teaching/instructional-design-development/ or e-mail the MSU IT Service Desk at ithelp@msu.edu and request a consultation with Instructional Technology and Development. If you prefer the phone, you can also contact them at (517)432-6200.