Scientific Control

Scientific Control

Scientific Control Jonathan Poland

Scientific control is a fundamental principle of experimental research, which is used to minimize the influence of variables other than the independent variable. It is a way of carefully designing and conducting experiments in order to isolate the effect of the independent variable on the dependent variable, which is the variable being measured.

The use of scientific control is essential in order to produce reliable and valid results. Without it, the effects of other variables (called confounding variables) may be misinterpreted as being due to the independent variable, leading to incorrect conclusions.

There are several ways to achieve scientific control in an experiment:

  1. Random assignment: Participants or subjects are randomly assigned to different groups or conditions, in order to control for individual differences. This helps to ensure that the groups are similar in all aspects other than the independent variable.
  2. Control group: A group of participants or subjects is used as a comparison to the experimental group, in order to control for the effects of extraneous variables. The control group is not exposed to the independent variable, and any differences between the control group and the experimental group can be attributed to the independent variable.
  3. Placebo control: A placebo is used as a control in experiments on the effectiveness of medical treatments or other interventions. The placebo is a dummy treatment that is identical in appearance to the experimental treatment, but has no active ingredients. This allows researchers to control for the psychological effects of receiving a treatment, which may influence the results.
  4. Standardized conditions: Experiments are conducted under consistent, controlled conditions in order to minimize the influence of extraneous variables. This may involve controlling for factors such as temperature, humidity, lighting, or noise levels.

By using scientific control techniques, researchers can be confident that any differences observed in the dependent variable are due to the independent variable, rather than other factors. This allows for more accurate and reliable conclusions to be drawn from the results of an experiment.

Learn More
Economic Change Jonathan Poland

Economic Change

Economic change refers to shifts in economic conditions, such as changes in GDP, employment rates, and prices. These shifts can…

Law of Supply and Demand Jonathan Poland

Law of Supply and Demand

The Law of Supply and Demand is one of the fundamental principles of economics. It states that the quantity of…

Security Controls Jonathan Poland

Security Controls

IT security controls are measures that are implemented in order to reduce security risks. These controls may be identified through…

Quality Requirements Jonathan Poland

Quality Requirements

Quality requirements refer to the specific standards that a product, service, process, or environment must meet in order to be…

Dispute Risk Jonathan Poland

Dispute Risk

Dispute risk refers to the potential for a disagreement or conflict to arise in a business context, resulting in negative…

Internet of Things Jonathan Poland

Internet of Things

The Internet of things describes physical objects with sensors, processing ability, software, and other technologies that connect and exchange data with other devices and systems over the Internet or communication networks.

Action Plan Jonathan Poland

Action Plan

An action plan is a detailed strategy that outlines the steps and resources needed to achieve a specific goal. It…

Fair Competition Jonathan Poland

Fair Competition

Fair competition refers to competition between businesses that is open and equitable, allowing all participants to compete on an equal…

Risks of Artificial Intelligence Jonathan Poland

Risks of Artificial Intelligence

Artificial intelligence (AI) has often been depicted in science fiction as a potential threat to human life or well-being. In…

Content Database

Search over 1,000 posts on topics across
business, finance, and capital markets.

Performance Goals Jonathan Poland

Performance Goals

Performance goals are targets or objectives that are set for an employee’s work, typically in collaboration with their manager. These…

Loss Leader Jonathan Poland

Loss Leader

A loss leader is a product or service that is sold at a price below its cost in order to…

Inferior Good Jonathan Poland

Inferior Good

An inferior good is a type of consumer good for which the demand decreases as the consumer’s income increases. In…

Communication Strengths Jonathan Poland

Communication Strengths

Communication strengths are qualities or abilities that enable an individual to communicate effectively. These can include general communication skills, such…

Bank Derivatives Jonathan Poland

Bank Derivatives

Bank derivatives are financial instruments whose value is derived from an underlying asset, index, or other financial instruments. They are…

Pre-Sales Jonathan Poland


The term “pre-sales” can refer to a range of different things depending on the industry in which it is used.…

Key Employees Jonathan Poland

Key Employees

Key employees, or key personnel, are individuals who possess unique skills, knowledge, or connections that make their prolonged absence or…

Prospecting Jonathan Poland


Sales prospecting is the process of identifying and researching potential customers for a business’s products or services. This typically involves…

Preventive Maintenance Jonathan Poland

Preventive Maintenance

Preventive maintenance is a type of maintenance that is designed to prevent failures and extend the lifespan of assets, including…