Browse Definitions :
Definition

positive correlation

A positive correlation is a relationship between two variables such that their values increase or decrease together. 

Correlation is expressed on a range from +1 to -1, known as the correlation coefficent. In a perfect positive correlation, expressed as +1, an increase or decrease in one variable always predicts the same directional change for the second variable. If two variables sometimes but not always change in tandem, the correlation is expressed as greater than zero but less than +1. Values below zero express negative correlation: As the value of one variable increases, the other decreases. Zero indicates a lack of correlation: There is no tendency for the variables to fluctuate in tandem either positively or negatively.

Examples of positively correlated variables include:

  • Hours spent studying and grade point averages.
  • Education and income levels.
  • Poverty and crime levels.
  • Evaluated stress levels and blood pressure readings.
  • Smoking and lung disease.

There’s a common tendency to think that correlation between variables means that one causes or influences the change in the other one. However, correlation does not imply causation. There may be an unknown factor that influences both variables similarly.

 

This was last updated in February 2013

SearchCompliance

  • information governance

    Information governance is a holistic approach to managing corporate information by implementing processes, roles, controls and ...

  • enterprise document management (EDM)

    Enterprise document management (EDM) is a strategy for overseeing an organization's paper and electronic documents so they can be...

  • risk assessment

    Risk assessment is the identification of hazards that could negatively impact an organization's ability to conduct business.

SearchSecurity

  • Transport Layer Security (TLS)

    Transport Layer Security (TLS) is an Internet Engineering Task Force (IETF) standard protocol that provides authentication, ...

  • PKI (public key infrastructure)

    PKI (public key infrastructure) is the underlying framework that enables entities -- users and servers -- to securely exchange ...

  • obfuscation

    Obfuscation means to make something difficult to understand.

SearchHealthIT

SearchDisasterRecovery

  • risk mitigation

    Risk mitigation is a strategy to prepare for and lessen the effects of threats faced by a business.

  • call tree

    A call tree is a layered hierarchical communication model that is used to notify specific individuals of an event and coordinate ...

  • Disaster Recovery as a Service (DRaaS)

    Disaster recovery as a service (DRaaS) is the replication and hosting of physical or virtual servers by a third party to provide ...

SearchStorage

  • cloud storage

    Cloud storage is a service model in which data is transmitted and stored on remote storage systems, where it is maintained, ...

  • cloud testing

    Cloud testing is the process of using the cloud computing resources of a third-party service provider to test software ...

  • storage virtualization

    Storage virtualization is the pooling of physical storage from multiple storage devices into what appears to be a single storage ...

Close