Ch12 Key Terms Flashcards

1
Q

Beta coefficient

A

A regression coefficient that as been recalculated to have a mean of 0 and standard deviation of 1

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2
Q

Bivariate regression analysis

A

A stats technique that analyzes linear relationships between 2 or more variables by estimating coefficients for an equation for a straight line

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3
Q

Coefficient of determination

A

A numbering measuring the proportion of variation in 1 variable accounted for by another

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4
Q

Composite variable

A

Variable that’s measured with several separate questions

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5
Q

Confirmatory composite analysis (CAA)

A

Analysis that determines whether the variables are accurately measures

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6
Q

Covariation

A

The amount of change in 1 variable that is related to the change of another

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7
Q

Curvilinear relationship

A

Relationship between 2 variables where the strengths / direction of their relationship changes over the range of both

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8
Q

Homoskedasticity

A

The pattern of covariation is constant around the regression line whether values are small, medium or large

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9
Q

Heteroskedasticity

A

The pattern around regression line = not constant, values vary from small, medium and large

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10
Q

Inner model

A

The 5 structural relationships between the 6 constructs in the path model

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11
Q

Least square procedure

A

Regression approach that determines the best-fitting line by minimizing the vertical distance of all the points from the line

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12
Q

Linear relationship

A

An association between 2 variables where the strength remains the same over the range of both variables

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13
Q

Model F-statistic

A

Stats that compares the amount of variation in the dependent measure (explained) associated with the independent variable (unexplained)

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14
Q

Multicollinearity

A

A situation in which several indépendant variables are highly correlated with each other

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15
Q

Multiple regression analysis s

A

Stats technique that analyzes the linear relationship between a dependent variable and multiple independant ones

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16
Q

Normal curve

A

A curve that indicates the shape of the distribution of a variable is equal both above and below the mean

17
Q

Ordinary least squares

A

Stats procedure that stigmates regression equation coefficients that product the lowest sum of squared differences between the actual and predicted values of the dependent variable

18
Q

Outer model

A

Relationships between sic constructs and multiple variables

19
Q

Partial least squares (PLS)

A

A method that is an extension of multiple regression and helps researchers determine whether there are meaningful relationships between the variables

20
Q

Pearson correlation coefficient

A

A measure of strength of a linear relationship between 2 metric variables

21
Q

Regression coefficient

A

An indicator of important of an independent variable in predicting a dependent variable

22
Q

Scatter diagram

A

A graphic plot of the relative position of 2 variables using horizontal and vertical axis

23
Q

Spearman rank order correlation coefficient

A

A measure of the linear association between 2 variables where both have been measured using ordinal scales (ranking)

24
Q

Structural model

A

Visual representation of the relationships between the variables

25
Structural modeling (SM)
The process of identifying the relationships between variables
26
Unexplained variable
The amount of variation in the dependent variable that can’t e accounted by the combination of independent variables