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Blind Procedures

Blind Procedures

Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...

Blinding

Blinding

Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.

Feedback Inhibition

Feedback Inhibition

Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!

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Related Experiment Video

Updated: Nov 2, 2025

BioMEMS: Forging New Collaborations Between Biologists and Engineers

BioMEMS: Forging New Collaborations Between Biologists and Engineers

Published on: November 1, 2007

The Influence of a Blind Professor in a Bioengineering Course.

Benjamin R Greenvall¹, Amanda L Tiano¹, Anjali Chandani¹

¹Department of Bioengineering, 206 ISEC, Northeastern University, 805 Columbus Avenue, Boston, MA 02120 USA.

Biomedical Engineering Education

|June 7, 2021

Summary

Blind and visually impaired educators can thrive in STEM higher education. Accessible teaching methods and assistive technologies create engaging learning environments, challenging perceptions and increasing support for more inclusive STEM education.

Keywords:

Higher education Inclusivity Instructional design Student perception Underrepresentation

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Area of Science:

Bioengineering
Science, Technology, Engineering, and Mathematics (STEM) education

Background:

A gap exists in literature concerning blind and visually impaired Science, Technology, Engineering, and Mathematics (STEM) educators.
This study details the accessible teaching methodologies employed by a blind bioengineering professor, Dr. Mona Minkara.

Discussion:

Accessible methods were developed using assistive technologies like alternative text, braille, and text-to-speech software.
Perspectives from teaching assistants, access assistants, and students were gathered through surveys and discussions.

Key Insights:

Student feedback indicates that the professor's visual impairment positively altered perceptions of blindness in education.
The implementation of accessible strategies fostered a more interactive and engaging learning environment for students.
Students expressed strong support for increasing the number of blind educators in STEM fields.

Outlook:

Accessible teaching modifications can enable successful careers in higher education for blind and visually impaired individuals.
Broadening participation of visually impaired individuals in STEM education can enhance learning environments and promote instructor accessibility.
Sharing practical tools and methodologies can inspire greater inclusivity in STEM higher education.