
ppt
... • Selection variables may interact with outcome – People/events in sample may differ from rest of population – Undergrads – Racial distribution ...
... • Selection variables may interact with outcome – People/events in sample may differ from rest of population – Undergrads – Racial distribution ...
08-30 lecture
... • Selection variables may interact with outcome – People/events in sample may differ from rest of population – Undergrads – Racial distribution ...
... • Selection variables may interact with outcome – People/events in sample may differ from rest of population – Undergrads – Racial distribution ...