What is the reason that ex post facto control group designs are not considered quasi-experimental?

What is The process of selecting representative elements from a population? Are you responsible for debt of spouse prior to marriage in California? How do you change your last name when your ex won't sign the papers? Which step of the necessary expense test ensures that the expenditure be necessary and incident to the proper execution of the general purpose of the appropriation? What to do when your marriage is not legal? Can a custodial parent take a child out of school without non custodial parent permission? What three pieces of information does a person need to steal your identity? How do you fight a ticket for running a red light I have never had a ticket of any kind before and was pulled over for running a red light I didn't see in an obscure spot.? What is the ownership for a hairdressers? What sentencing model allows a judge the greatest discretion? What are the 2 factors that determine the jurisdiction of a case? When a person dies can creditors get to 401K if a beneficiary has been designated? How Much Time can you get if you jump bail? What are all the types of abuse? If your apartment complex found another tenant to lease your apartment do you still have to pay the reletting fee? Is there a statute of limitation on property damage claims? What do three congressional powers include? Do aliens have bellybuttons? Is the Wayback Machine legal? Can a landlocked neighbor obtain an easement through my property even though it does not exist on the parcel map mine was purchased prior to his?