sobelTest_unord: Sobel test for the indirect effect - Two ordered mediator...

In ieTest: Indirect Effects Testing Methods in Mediation Analysis

Sobel test for the indirect effect - Two ordered mediator path

Description

This function takes the parameter estimates and covariances and performs the Sobel test for two ordered mediators.

Usage

sobelTest_unord(
  mu1,
  sig1,
  mu2,
  sig2,
  mu3,
  sig3,
  mu4,
  sig4,
  mu2b,
  sig2b,
  mu4b,
  sig4b,
  sig12 = 0L,
  sig12b = 0L,
  sig13 = 0L,
  sig14 = 0L,
  sig14b = 0L,
  sig22b = 0L,
  sig23 = 0L,
  sig24 = 0L,
  sig24b = 0L,
  sig2b3 = 0L,
  sig2b4 = 0L,
  sig2b4b = 0L,
  sig34 = 0L,
  sig34b = 0L,
  sig44b = 0L,
  indL = 1L,
  mu1_0 = 0,
  mu2_0 = 0,
  mu3_0 = 0,
  mu4_0 = 0,
  mu2b_0 = 0,
  mu4b_0 = 0
)

Arguments

mu1	Value of the estimate of the independent variable on the first mediator.
sig1	Value of the variance of the estimate of the independent variable on the first mediator.
mu2	Value of the estimate of the first mediator on the response.
sig2	Value of the variance of the estimate of the first mediator on the response.
mu3	Value of the estimate of the independent variable on the second mediator.
sig3	Value of the variance of the estimate of the independent variable on the second mediator.
mu4	Value of the estimate of the second mediator on the response.
sig4	Value of the variance of the estimate of the second mediator on the response.
mu2b	Value of the estimate of the effect of the interaction of the independent and first mediator variable on the response.
sig2b	Value of the variance of the estimate of the effect of the interaction of the independent and first mediator variable on the response.
mu4b	Value of the estimate of the effect of the interaction of the independent and second mediator variable on the response.
sig4b	Value of the variance of the estimate of the effect of the interaction of the independent and second mediator variable on the response.
sig12	Value of the covariance between mu1 and mu2.
sig12b	Value of the covariance between mu1 and mu2b.
sig13	Value of the covariance between mu1 and mu3.
sig14	Value of the covariance between mu1 and mu4.
sig14b	Value of the covariance between mu1 and mu4b.
sig22b	Value of the covariance between mu1 and mu2b.
sig23	Value of the covariance between mu2 and mu3.
sig24	Value of the covariance between mu2 and mu4.
sig24b	Value of the covariance between mu2 and mu4b.
sig2b3	Value of the covariance between mu2b and mu3.
sig2b4	Value of the covariance between mu2b and mu4.
sig2b4b	Value of the covariance between mu2b and mu4b.
sig34	Value of the covariance between mu3 and mu4.
sig34b	Value of the covariance between mu3 and mu4b.
sig44b	Value of the covariance between mu4 and mu4b.
indL	Value indicating the value of the independent variable used for the interaction. Typically 1.
mu1_0	Null value for mu1.
mu2_0	Null value for mu2.
mu3_0	Null value for mu3.
mu4_0	Null value for mu4.
mu2b_0	Null value for mu2b.
mu4b_0	Null value for mu4b.

Value

A p-value for the test for the indirect effect.

Examples

sobelTest_unord(1, .1, .25, .01, 0, 0, .15, .01, 0, 0, 0, 0)

ieTest documentation built on April 12, 2025, 1:49 a.m.