as much as i found out heckman selection model can be used to verify if one decide to do or not to do something (0 or 1). and if yes(1), how much each variable determine the decision.
i am trying to determine effect of some variable(independent) on another variable(depended) and i have 3 latent variable. i dont want to use structural model and interested in using heckman method.
i need manual to design a research plan, questioner and have proper interpretation guide.