Related Experiment Video
Updated: Feb 27, 2026

08:50
High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements
Published on: May 12, 2023
2.9K
At Last! Aye, and There's the Rub
1a University of Southern California.
The American Journal of Bioethics : AJOB
|June 30, 2017
Summary
The 1981 recommendation for uniform federal regulations for human subjects research faced delays. Incremental regulatory changes with public input are better than comprehensive overhauls.
Area of Science:
- Biomedical and Behavioral Research Ethics
- Regulatory Science
- Public Health Policy
Background:
- In 1981, a commission recommended adopting uniform federal regulations for human subjects research.
- The goal was to ease administration, reduce burdens, and improve research efficiency.
- A 180-day target for implementation proved unrealistic, leading to delays.
Purpose of the Study:
- To analyze the challenges in implementing uniform federal regulations for human subjects research.
- To evaluate the effectiveness of comprehensive regulatory revisions versus incremental changes.
- To propose a better process for updating research regulations.
Main Methods:
- Historical analysis of regulatory development processes.
- Review of the implementation of the Common Rule.
- Critique of the 2017 final rule revision process.
Main Results:
- The initial 180-day target for uniform regulations was not met, taking 10 years for the Common Rule.
- Subsequent attempts at revision, like the 2011 ANPRM, led to comprehensive, lengthy processes.
- The 2017 final rule process involved discarding or inadequately vetting many proposed changes.
Conclusions:
- The difficulties in issuing the initial Common Rule suggest a need for a different approach.
- Comprehensive regulatory revisions are prone to delays and inadequate vetting.
- An incremental process with ongoing public involvement through advisory bodies is recommended for regulatory updates.
Related Concept Videos
Robbers Cave
14.9K
During the 1950s, the landmark Robbers Cave experiment demonstrated that when groups must compete with one another, intergroup conflict, hostility, and even violence may result. At the Oklahoman summer camp, two troops of boys—termed the Rattlers and the Eagles—took part in a week-long tournament. During this time, their negativity culminated in derogatory name-calling, fistfights, and even vandalism and destruction of property. However, this work also revealed that such tension...
14.9K
Social Traps
27.0K
Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned...
27.0K
Framing Effects
8.0K
Information is everywhere and its presentation—such as how and when items are presented—can impact our perceptions and decisions surrounding the info. This broad concept umbrellas framing effects—influences that occur due to the way information is framed in its appearance, whether it’s purely the order or the specific wording of a message. Let’s take a look at numerous ways in which two versions of something can objectively say the same thing, yet we respond in...
8.0K
Criteria for Aromaticity and the Hückel 4n + 2 Rule
14.2K
Like benzene, cyclobutadiene and cyclooctatetraene are cyclic compounds with alternate single and double bonds. However, their chemical behavior differs from benzene, as they are unstable and not aromatic. So, what are the structural characteristics of unsaturated compounds categorized as aromatic?
For the first time, Eric Hückel, a German chemical physicist, derived a set of structural features for a compound to be classified as aromatic. This is now known as Hückel’s rule or the 4n +...
For the first time, Eric Hückel, a German chemical physicist, derived a set of structural features for a compound to be classified as aromatic. This is now known as Hückel’s rule or the 4n +...
14.2K
Bearings: Problem Solving
517
Understanding the calculations and concepts related to double-collar bearings is essential for engineers and designers to optimize the performance of these components in various applications. By analyzing the bearing under different conditions, one can ensure that it can withstand the forces and moments experienced during operation. This knowledge enables better decision-making when designing and selecting bearings for specific purposes and configurations. Consider a double-collar bearing with...
517
Angle of Twist: Problem Solving
827
An electric motor applies a torque of 700 N·m to an aluminum shaft, triggering a stable rotation. Two pulleys, B and C, are subjected to torques of 300 N·m and 400 N·m, respectively. The modulus of rigidity is provided as 25 GPa. With the knowledge of the length and diameter of each segment, the twist angle between the two pulleys can be computed. First, a section cut is made between pulleys B and C, and the cut cross-section is analyzed using a free-body diagram. Given that the torque...
827

