interval

(noun)

A period of time.

Related Terms

Examples of interval in the following topics:

  • Schedules of Reinforcement

    • These schedules are described as either fixed or variable and as either interval or ratio.
    • A fixed-interval schedule is when behavior is rewarded after a set amount of time.
    • With a variable-interval schedule, the subject gets the reinforcement based on varying and unpredictable amounts of time.
    • In general, ratio schedules consistently elicit higher response rates than interval schedules because of their predictability.
    • The variable-interval schedule is unpredictable and produces a moderate, steady response rate (e.g., fishing).

  • Basic Descriptive Statistics

    • The mean can only be calculated with interval and ratio data.
    • The median can be computed for ordinal, interval, and ratio data.
    • Each histogram contains columns that are used to represent the number of data points within each interval, or "bin."
    • Each column represents the number of data points of observations within that interval, or "bin."
    • For example, the first two intervals, or "bins," are on the x-axis, and frequencies are on the y-axis.

  • Basic Principles of Operant Conditioning: Skinner

    • In these boxes he would present his subjects with positive reinforcement, negative reinforcement, or aversive stimuli in various timing intervals (or "schedules") that were designed to produce or inhibit specific target behaviors.
    • He fed the pigeon on continuous intervals (every 15 seconds) and observed the pigeon's behavior.

  • Descriptive and Correlational Statistics

    • The mean is the average of the values in a data set, and can only be computed for interval and ratio data.
    • The median can be computed for ordinal, interval, and ratio data.

  • Perceiving Motion

    • One advantage to feature-tracking is that motion can be separated both by motion and by blank intervals where no motion is occurring.

  • Memory Distortions and Biases

    • He told participants a complicated Native American story and had them repeat it over a series of intervals.

  • Biology of Sexual Behavior

    • Females have a monthly reproductive cycle; at certain intervals the ovaries release an egg, which passes through the fallopian tube into the uterus.

  • Introduction to Memory Storage

    • As the retention interval between encoding and retrieval of the memory lengthens, the accuracy of the memory decreases.