# Home > Terms > English (EN) > cumulative record

### cumulative record

1) A real-time graphical representation of the rate of operant behavior. Each response produces a constant upward increment on the y-axis, and time is indexed on the x-axis. The faster the rate of response, the steeper the slope or rise of the cumulative record. See also cumulative recorder.

2) A graph of the running total of responses made. New responses are added on to the old total so that, in a cumulative record, the data line can only go up. How fast it goes up depends on the rate of responding-the more rapid the responding, the steeper the climb. A horizontal line indicates no responding.

3) A record in which total responses are plotted as a function of time, usually made by a marker or pen that moves a fixed distance with each response across a paper advancing at a constant speed. Thus, the faster the responding, the steeper the slope of the record. Moment-to-moment changes in slope show the details of changing response rates over time. Cumulative recorders typically include additional features; for example, the pen can be reset to its starting position (sometimes called the baseline) after a full excursion across the paper or after some event; it can be briefly displaced downward or to one side, producing a pip, to indicate a reinforcer or other brief event; it can be held in its downward position, producing a displaced line, to indicate stimuli or other extended conditions, and an event pen at the bottom of the record can be used to indicate when other events occur. CL RATE OF RESPONDING.

4) The cumulative record, used in operant experiments, is a graphic record which emphasizes the rate of performance or its frequency. In a cumulative record a recording pen moves along the abscissa with passage of time and along the ordinate each time a performance occurs. Thus the rate of the performance is demonstrated by the slope of the curve. The cumulative record is especially useful in experiments where it is important to emphasize the moment-to-moment changes in the frequency of the performance.

## Terms in the News

### Billy Morgan

##### Sports;Snowboarding

British snowboarder Billy Morgan has landed the sport’s first ever 1800 quadruple cork. The rider, who represented Great Britain at the 2014 Winter Olympics in Sochi, was in Livigno, Italy, when he achieved the manoeuvre. It involves flipping four times, while the body also spins five complete rotations on a sideways or downward-facing axis. The trick had ...

### Marzieh Afkham

Marzieh Afkham, who is the country’s first foreign ministry spokeswoman, will head a mission in east Asia, the state news agency reported. It is not clear to which country she will be posted as her appointment has yet to be announced officially. Afkham will only be the second female ambassador Iran has had. Under the last shah’s rule, Mehrangiz Dolatshahi, a ...

### Weekly Packet

##### Language; Online services;Slang; Internet

Weekly Packet or "Paquete Semanal" as it is known in Cuba is a term used by Cubans to describe the information that is gathered from the internet outside of Cuba and saved onto hard drives to be transported into Cuba itself. Weekly Packets are then sold to Cuban's without internet access, allowing them to obtain information just days - and sometimes hours - after it ...

### Asian Infrastructure Investment Bank (AIIB)

##### Banking;Investment banking

The Asian Infrastructure Investment Bank (AIIB) is an international financial institution established to address the need in Asia for infrastructure development. According to the Asian Development Bank, Asia needs \$800 billion each year for roads, ports, power plants or other infrastructure projects before 2020. Originally proposed by China in 2013, a signing ...

### Spartan

##### Online services;Internet

Spartan is the codename given to the new Microsoft Windows 10 browser that will replace Microsoft Windows Internet Explorer. The new browser will be built from the ground up and disregard any code from the IE platform. It has a new rendering engine that is built to be compatible with how the web is written today. The name Spartan is named after the ...

## Featured Terms

Silentchapel
• 1635

Terms

• 95

Blossaries

• 14

Followers

Industry/Domain: Religion Category: Christianity

# calming of the storms

According to the Gospels, one evening Jesus and his disciples were crossing the Sea of Galilee in a boat when a furious storm came up, with the waves ...

## Featured blossaries

### 10 Richest Stand Up Comedians

Category: Entertainment   2 10 Terms

### African Language Groups

Category: Languages   1 7 Terms