Failure to rule out ________ results in threats to ________ validity

A) all independent variables; internal
B) alternative explanations; internal
C) alternative explanations; external
D) all dependent variables; internal

Fill in the blank with correct words.


Answer: B

Political Science

You might also like to view...

Discuss the relationship between news media and advertisers.  What effects might this relationship have and why do you believe this is a good or a bad thing?  Be sure to support your answer.

What will be an ideal response?

Political Science

Which is a way that states place restrictions on the initiative or proposal process?

a. federal sponsorship  b. congressional approval  c. earnings for signature gathers  d. advertising budget 

Political Science

The primary purpose of the Child Support Enforcement Division is collecting child support

Indicate whether the statement is true or false.

Political Science

Each of the following statements concerning executive orders is true, EXCEPT?

A) They are rarely issued by presidents. B) They carry the force of law. C) They can create or modify laws without the direct approval of Congress. D) The Constitution does not explicitly grant the president the power to issue such orders. E) They are issued for a wide variety of purposes.

Political Science