Dual federalism is an interpretation of federalism in which the states and the national government separate jurisdictions and responsibilities

What is one drawback of longitudinal studies?

a) They assess changes in subjects over time. b) The subjects act as their own controls. c) They can have a high mortality rate. d) The researcher does not manipulate any variables.

Systematic sampling is a probability sampling method and therefore takes advantage of random assignment to avoid bias. In your answer, please identify and explain one scenario under which a systematic sampling technique would result in a biased sample.

What will be an ideal response?