metaSEM (version 0.9.6)

Cheung00: Fifty Studies of Correlation Matrices used in Cheung and Chan (2000)

Description

This data set includes fifty studies of correlation matrices on theory of planned theory reported by Cheung and Chan (2000).

Usage

data(Cheung00)

source

Cheung, S.-F., & Chan, D. K.-S. (2000). The role of perceived behavioral control in predicting human behavior: A meta-analytic review of studies on the theory of planned behavior. Unpublished manuscript, Chinese University of Hong Kong.

Details

A list of data with the following structure: [object Object],[object Object]

References

Cheung, M.W.-L., & Cheung, S.-F. (in press). Random-effects models for meta-analytic structural equation modeling: Review, issues, and illustrations. Research Synthesis Methods.

Examples

data(Cheung00)

## Variable labels
labels <- colnames(Cheung00$data[[1]])

## Full mediation model
S <- create.mxMatrix(c("1", 
                       ".2*cov_att_sn", "1", 
                       0, 0, ".2*e_bi", 
                       0, 0, 0, ".2*e_beh"), 
                     type="Symm", as.mxMatrix=FALSE, byrow=TRUE)
dimnames(S) <- list(labels, labels)
S

A <- matrix(c("0","0","0","0",
              "0","0","0","0",
              ".2*att2bi", ".2*sn2bi", "0", "0",
              "0", "0", ".2*bi2beh", "0"),
            byrow=TRUE, 4, 4)
dimnames(A) <- list(labels, labels)
A

#### Random-effects model

## Stage 1 analysis
random_1 <- tssem1(Cheung00$data, Cheung00$n, method="REM")
summary(random_1)

## Stage 2 analysis
random_2 <- tssem2(random_1, Amatrix=A, Smatrix=S, intervals.type="LB", diag.constraints=TRUE)
summary(random_2)

## Load the library
library("semPlot")

my.plot1 <- meta2semPlot(random_2)
semPaths(my.plot1, whatLabels="est", col="yellow")