Internal function used with postive d' models
cond.alphaD(wD, muD, alphaD, betaD, thetaD, alphaR, etaA, phiA, sub, item, lag, sig2alpha)
~~Describe wD
here~~
~~Describe muD
here~~
~~Describe alphaD
here~~
~~Describe betaD
here~~
~~Describe thetaD
here~~
~~Describe alphaR
here~~
~~Describe etaA
here~~
~~Describe phiA
here~~
~~Describe sub
here~~
~~Describe item
here~~
~~Describe lag
here~~
~~Describe sig2alpha
here~~