Knowledge Builders

can algorithms be biased

by Dr. Valentina Davis Published 2 years ago Updated 1 year ago
image

Since both human and algorithmic decisionmakers introduce the possibility of bias, removing algorithms entirely isn't always the best approach. In fact, in some cases, biased algorithms may be easier to fix than biased humans.Oct 21, 2021

Should we test for bias in algorithms?

Humans are biased, too, but they can't make nearly as many errors per second. Our test, then, should be one called disparate impact. "Algorithmic" systems should be evaluated for bias, and their deployment should be guided appropriately.

What is Ai biased research?

AI systems can be biased based on who builds them, the way they are developed, and how they’re eventually deployed. This is known as algorithmic bias. While the data sciences have not developed a Nuremberg Code of their own yet, the social implications of research in artificial intelligence are starting to be addressed in some curricula.

How AI algorithms are used in business?

AI algorithms are increasingly being used in a wide range of areas for making decisions that impact our day to day life. Some examples are —Recruitment, Healthcare, Criminal Justice, Credit Risk Scoring etc. It's being used by not just private businesses but also governments.

What is bias in machine learning?

As Sebastian Raschka puts it, “the term bias in ML is heavily overloaded”. It has multiple senses that can all be mistaken for each other. (1) bias (as in mathematical bias unit) ​ (2) “Fairness” bias (also called societal bias) ​ (3) ML bias (also known as inductive bias, which is dependent on decisions taken to build the model.)

What does algorithm mean in tech?

Why do people put too much trust in computers?

Is it hard to eliminate sociological bias?

Can algorithms be biased?

Is facial recognition an algorithm?

Is human bias biased?

Does artificial intelligence remove bias?

See 2 more

About this website

image

Can an AI be biased?

Bias in AI systems is often seen as a technical problem, but the NIST report acknowledges that a great deal of AI bias stems from human biases and systemic, institutional biases as well.

Are machine learning algorithms unbiased?

Because humans provide the training data for the machine learning process, the data can become biased. This bias is usually not intentional; for example, a set of training data may have faces of mainly white males, skewing the algorithms and resulting in bias, especially against black females.

What is the problem with algorithmic bias?

For example, algorithmic bias has been observed in search engine results and social media platforms. This bias can have impacts ranging from inadvertent privacy violations to reinforcing social biases of race, gender, sexuality, and ethnicity.

How do you prevent algorithm bias?

4 Steps to Audit for Algorithmic BiasSTEP 1: Inventory algorithms. List all the algorithms being used or developed in your organization. ... STEP 2: Screen each algorithm for bias. Think of this step as a debugging process for algorithms. ... STEP 3: Retrain biased algorithms. ... STEP 4: Prevention.

What are the causes of algorithmic bias?

There are three main causes of algorithmic bias: input bias, training bias, and programming bias.

Are algorithms neutral?

Data, people, or algorithms? That algorithms themselves are neutral is a popular refrain among AI researchers. In an interview, deep learning pioneer Yoshua Bengio insisted that “The algorithms we use are neutral” [21].

What does it mean for an algorithm to be biased?

Machine learning bias, also sometimes called algorithm bias or AI bias, is a phenomenon that occurs when an algorithm produces results that are systemically prejudiced due to erroneous assumptions in the machine learning process.

What are the types of algorithm bias?

Here're the most common types of AI bias that creep into the algorithms.Reporting bias. This type of AI bias arises when the frequency of events in the training dataset doesn't accurately reflect reality. ... Selection bias. ... Group attribution bias. ... Implicit bias.

Can an algorithm be wrong?

This increases the chances that test data used to build algorithms could be different from the real data they process, and that the decisions of the algorithm will be inaccurate or unfair. On top of this, all social data holds biases that an algorithm can end up replicating.

Does AI eliminate bias?

Artificial intelligence (AI) can help avoid harmful human bias, but only if we learn how to prevent AI bias as well. We humans make sense of the world by looking for patterns, filtering them through what we think we already know, and making decisions accordingly.

How does bias occur in machine learning algorithms?

Bias is considered a systematic error that occurs in the machine learning model itself due to incorrect assumptions in the ML process. Technically, we can define bias as the error between average model prediction and the ground truth.

How do you keep an unbiased AI?

Use Constant Monitoring to Prevent AI Bias That way we are constantly monitoring that there are not biases present in our AI." Even though there are precautions in every phase to help prevent bias, review and monitoring of results is critical to ensure that unintended bias doesn't creep in during earlier phases.

Can machine learning models overcome biased datasets?

A neural network is a machine-learning model that mimics the human brain in the way it contains layers of interconnected nodes, or neurons, that process data. A neural network can overcome dataset bias, which is encouraging.

Are machine learning algorithms accurate?

Your Machine Learning algorithm needs to have over 90% accuracy.

How accurate are machine learning models?

Accuracy comes out to 0.91, or 91% (91 correct predictions out of 100 total examples).

What are the limitations of machine learning?

5 key limitations of machine learning algorithmsEthical concerns. There are, of course, many advantages to trusting algorithms. ... Deterministic problems. ... Lack of Data. ... Lack of interpretability. ... Lack of reproducibility. ... With all its limitations, is ML worth using?

Why is it important to distinguish biases from random errors?

It's not uncommon for AI systems to make errors, this is because they are a simplification of the complex real world. But biases are systematic errors, which occur in a somewhat predictable way. Biases may cause one to act unfairly against an individual or a group.

How does Bias creep into AI systems?

A natural question is how do AI systems get Biased? Can they be Biased even if they are not explicitly codified to be biased? Following is a list of some possible reasons why an AI system can get biased:

What is Bias?

Before we go deeper into this topic, its important to define bias. Here is a definition from Wikipedia

What is implicit bias in AI?

Implicit Bias in Data: Most of the AI systems learn patterns from the data which is provided to train them. A number of times the data may be generated by humans with their in-built biases. If this is the cases the resultant AI system would also reflect those biases as an AI system is only as good as the data fed to train them. Imagenet incident which I talked about earlier is a good example of this type.

What is confirmation bias?

An example of a bias from which humans commonly suffer from is — Confirmation bias. It is defined as a tendency to search, interpret and recall information in a way which confirms or strengthen one’s pre-existing beliefs. While one may think that the advent of internet and explosion of information (data) available to us would lead us to the “truth”, confirmation bias is what keeps people selectively interpret information and hinged to what they already believe.

Why is it important to handle the bias issue?

It's important to handle the bias issue so that AI systems continue to enjoy the trust of organizations and the masses. There is a lot of promising work going on in the area, let’s hope all that will results in making AI applications fairer and the world a better place to live for everyone.

What happens when you use attributes like age, gender, ethnicity in an algorithm?

Choice of Attributes: If one uses attributes like age, gender, ethnicity in algorithms, the algorithm can learn the relationship between these attributes and the target which may cause the algorithms to get biased.

What are some examples of gender bias?

Another example in this space is the gender biases in existing word embeddings (which are learned through a neural networks) that show females having a higher association with “less-cerebral” occupations while males tend to be associated with purportedly “more-cerebral” or higher paying occupations.

Why is speech to text transcription biased?

This is because the corpus that the speech recognition models are trained are dominated by utterances of people from western countries. This causes the system to be good at interpreting European and American accents but subpar at transcribing speech from other parts of the world.

Why did Yann Lecun and Timnit Gebru alter?

This essay was motivated by two flashpoints : the racial inequality discussion that is now raging on worldwide, and Yann LeCun’s altercation with Timnit Gebru on Twitter which was caused due to a disagreement over a downsampled image of Barack Obama (left) that was depixelated to a picture of a white man (right) by a face upsampling machine learning (ML) model.

Can a learning algorithm have biases?

Learning algorithms have inductive biases going beyond the biases in data too, sure. But if the data has a little bias, it is amplified by these systems, thereby causing high biases to be learnt by the model. Simply put, creating a 100% non-biased dataset is practically impossible. Any dataset picked by humans is cherry-picked and non-exhaustive. ...

Do AI algorithms have bias?

Bias In AI Algorithms. Algorithms do what they’re taught. Unfortunately, some are inadvertently taught prejudices and unethical biases by societal patterns hidden in the data. After the end of the Second World War, the Nuremberg trials laid bare the atrocities conducted in medical research by the Nazis. In the aftermath of the trials, the medical ...

Is bias in ML overloaded?

As Sebastian Raschka puts it, “the term bias in ML is heavily overloaded”. It has multiple senses that can all be mistaken for each other.

Is algorithmic bias limited to video?

Problems of algorithmic bias are not limited to image/video tasks and they manifest themselves in language tasks too. Language is always “situated”, i.e., it depends on external references for its understanding and the receiver (s) must be in a position to resolve these references.

The Seductive Business Logic of Algorithms - Data Driven Investor

Algorithms are generated by the development tools that are programming languages like C++, Java, JS, C#, etc. A programming language follows rules for coding that follows what is called syntax.

Bias In Data Processing

The algorithm is created based on what the programmer wants it to do. For example, suppose I were the programmer and I want to create a program to sort the following set of data based on the age of the individuals in a list (see below).

Bias In Social Media

There have been accusations against tech giants for favoring certain users based on their ideology. Users were being banned on certain platforms for violating policies. The policy violations were based on management’s ideology and beliefs. It does not appear to be neutral, though I cannot say this for certain but rather based on observation.

Bias In Artificial Intelligence

Algorithms can also be biased in AI applications. When machine learning results produce the prejudices based on the programmer or user’s assumptions, it is not helpful. When taken into context, it really makes decisions based on what the developers want.

How To Fix The Problem

In the online world, algorithms can be unbiased but they are always based on the developer’s design which introduces the bias. This is not an easy problem to fix. No developer actually programs bias, but it is the consequence of the expected results.

How can an algorithm be biased?

Bias can be introduced into AI and ML through human behavior and the data we generate.

What is the bias in facial recognition?

When bias is introduced into an algorithm, certain groups can be targeted unintentionally. Gender and racial biases have been identified in commercial facial recognition systems, which are known to falsely identify Black and Asian faces 10 to 100 times more than white faces, and have more difficulty identifying women than men.

How do we reduce and limit bias in ML?

Algorithm design: In clinical research design, we’ve learned to mitigate bias by diversifying the groups of patients who participate in drug trials and by publishing patient demographics and study methods for transparency. The authors of a recent AMIA publication on developing reporting standards for AI in healthcare suggest four components of AI solutions that should be made transparent:

Why is ML biased?

Once built, the model is tested against a large data set. If the data set is not appropriate for its intended use , the model can become biased. Bias can show up anywhere in the design of the algorithm: the types of data, how you collect it, how it’s used, how it’s tested, who it’s intended for or the question it’s asking.

What does algorithm mean in tech?

Today, though, the word "algorithm" often means the mysterious step-by-step procedures used by the biggest tech companies (especially Google, Facebook, and Twitter) to select what we see . These companies do indeed use algorithms—but ones having very special properties.

Why do people put too much trust in computers?

One reason is that people put too much trust in computer output. Every beginning programmer is taught the acronym "GIGO:" garbage in, garbage out. To end users, though, it's often "garbage in, gospel out"—if the computer said it, it must be so. (This tendency is exacerbated by bad user interfaces that make overriding the computer's recommendation difficult or impossible.) We should thus demand less bias from computerized systems precisely to compensate for their perceived greater veracity.

Is it hard to eliminate sociological bias?

Even with the best intentions, eliminating sociological bias is very hard. Consider mortgage lending. I very much doubt that any major lender in the US is explicitly including race in credit-scoring algorithms (which would be highly illegal) or to help them "redline" neighborhoods (which has been illegal for more than 50 years ). But there are plenty of other things beside race itself that correlate with race.

Can algorithms be biased?

Yes, “algorithms” can be biased. Here’s why | Ars Technica

Is facial recognition an algorithm?

Newly elected Rep. Alexandria Ocasio-Cortez (D-NY) recently stated that facial recognition "algorithms" ( and by extension all "algorithms") "always have these racial inequities that get translated" and that "those algorithms are still pegged to basic human assumptions. They're just automated assumptions.

Is human bias biased?

Humans are biased, too, but they can't make nearly as many errors per second. Our test, then, should be one called disparate impact. "Algorithmic" systems should be evaluated for bias, and their deployment should be guided appropriately.

Does artificial intelligence remove bias?

All of this is a remarkably clear-cut illustration of why many tech experts are worried that, rather than remove human biases from important decisions, artificial intelligence will simply automate them. An investigation by ProPublica, for instance, found that algorithms judges use in criminal sentencing may dole out harsher penalties to black defendants than white ones. Google Translate famously introduced gender biases into its translations. The issue is that these programs learn to spot patterns and make decisions by analyzing massive data sets, which themselves are often a reflection of social discrimination. Programmers can try to tweak the AI to avoid those undesirable results, but they may not think to, or be successful even if they try.

image

What Is Bias?

Case Studies of Ai Bias

  • A famous case study in AI Bias is the COMPAS system which is used by US courts to assess the likelihood of a defendant becoming a recidivist. An investigationof the software found that, while the system was designed for maximizing overall accuracy, the false positive rates for African Americans was twice that of for Caucasians. Another popular case study is — Amazon’s AI recru…
See more on towardsdatascience.com

Mathematical Definition of Bias

  • While all that we have reviewed so far is good, but the definition of bias and fairness has a long history of debate in law, social science and philosophy. It's difficult to come to a consensus on exact definition of these. What makes it even more tricky in the context of AI models is we need to define it in mathematical terms as AI systems only understand numbers and mathematical oper…
See more on towardsdatascience.com

How Does Bias Creep Into Ai Systems?

  • A natural question is how do AI systems get Biased? Can they be Biased even if they are not explicitly codified to be biased? Following is a list of some possible reasons why an AI system can get biased: 1. Choice of Attributes: If one uses attributes like age, gender, ethnicity in algorithms, the algorithm can learn the relationship between these ...
See more on towardsdatascience.com

How Can We Avoid Ai Bias?

  • While it's still an open research area, here are some steps you could take to mitigate bias in your AI applications: 1. Use Representative Data: Try to actively look for sources of bias in the data and/or the way it was collected and sampled. Look carefully into how the data was annotated and motivation & incentive of people annotating the data. 2. Do an Audit of the Model: Scrutinize the …
See more on towardsdatascience.com

Summary

  • AI applications have seen a phenomenal growth off late. There have been genuine instances which have raised questions about the fairness of decisions made by AI systems. It's important to handle the bias issue so that AI systems continue to enjoy the trust of organizations and the masses. There is a lot of promising work going on in the area, let’s hope all that will results in m…
See more on towardsdatascience.com

1.How Algorithms Can Be Biased? | ILLUMINATION - Medium

Url:https://medium.com/illumination/how-algorithms-can-be-biased-ae4e0c750e36

21 hours ago  · Yes, “algorithms” can be biased. Here’s why Op-ed: a computer scientist weighs in on the downsides of AI. Steve Bellovin - Jan 24, 2019 9:50 pm UTC

2.Can AI Algorithms be Biased? - Towards Data Science

Url:https://towardsdatascience.com/can-ai-algorithms-be-biased-6ab05f499ed6

20 hours ago  · As algorithms become more and more involved in our lives, the potential for bias increases. Algorithms are designed by humans, and as such, they can be biased without us …

3.Videos of Can Algorithms Be biased

Url:/videos/search?q=can+algorithms+be+biased&qpvt=can+algorithms+be+biased&FORM=VDRE

25 hours ago  · Algorithms can be biased if fed biased information, Ontario experts say. - Pexels photo. Algorithms have changed modern society for the better in a number of ways, through …

4.Can algorithms be biased? - Quora

Url:https://www.quora.com/Can-algorithms-be-biased

2 hours ago  · Now, there are many reasons that this type of an algorithm might be biased, but they are not due to the algorithm, per se, but rather, the programming and the data that go into …

5.Bias In AI Algorithms. Algorithms reinforce human biases …

Url:https://towardsdatascience.com/how-are-algorithms-biased-8449406aaa83

17 hours ago Yes, algorithms can be programmed to have bias, also algorithms that are trained can be trained with biased data so they will reflect that. Amazon supposedly developed an algorithm to …

6.Can Bias Be Eliminated from Algorithms? | Yale Insights

Url:https://insights.som.yale.edu/insights/can-bias-be-eliminated-from-algorithms

7 hours ago  · AI systems can be biased based on who builds them, the way they are developed, and how they’re eventually deployed. This is known as algorithmic bias. While the data …

7.Algorithms Are Not Inherently Biased, It’s A Result Of

Url:https://medium.datadriveninvestor.com/algorithms-are-not-inherently-biased-its-a-result-of-expectations-with-unintended-consequences-1d8c144f52af

16 hours ago  · Algorithms can absorb the bias in the larger society, and then reinforce it, says Prof. Soheil Ghili. “You have a model that implicitly says, ‘Those who treated this group with …

8.The Impact of Gender and Racial Bias on an Algorithm

Url:https://www.ache.org/blog/2020/the-impact-of-gender-and-racial-bias-on-an-algorithm

7 hours ago  · Bias In Artificial Intelligence. Algorithms can also be biased in AI applications. When machine learning results produce the prejudices based on the programmer or user’s …

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9