Definition | Vocab Word |

A measure having a meaningful zero point as well as all of the nominal, ordinal, and interval properties | |

The property of consistency of a measurement that gives the same result on different occasions | |

The property of a measurement that tests what it is supposed to test | |

Variability in the dependent variable that is not associated with the independent variable | |

A test that the measurements actually measure the constructs they are designed to measure, but no others | |

Idea that a test should appear superficially to test what it is supposed to test | |

Idea that a test should sample the range of behavior represented by the theoretical concept being tested | |

Idea that a test should correlate with oher measures of the same theoretical construct | |

Measurement error that is associated with consistent bias | |

The degree to which the same test score would be obtained on another occasion | |

The degree to which the various items on a test are measures of the same things | |

Display of data in a matrix format | |

A representation of data by spatial relationships in a diagram | |

A graph that shows the number of scores that fall into specific bins, or divisions of the variable | |

A frequency distribution in which the frequencies are represented by contiguous bars | |

A frequency distribution in which the frequencies are connected by straight lines | |

A bell-shaped curve described by a certain mathematical function | |

A distribution that is not symmetrical | |

A frequency distribution that shows the number f scores that fall at or below a certain score | |

A graph showing the responses of a number of individuals on two variables; visual display of correlational data | |

A division of the subjects ina study into two groups of equal size on the basis of one of the variable | |

A graphical representation using lines to show relationships between quantitative variables | |

Graphical representation of categorical data in which the heightts of separated bars, or columns, show the relationships between variables | |

A graph in which the x-axis represents time | |

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