The purpose of the __________ was to prohibit federal employees from engaging in partisan political activities

Failure to rule out ________ variables results in threats to ________ validity

A) confounding; internal B) confounding; external C) dependent; internal D) dependent; external Fill in the blank with correct words.

Under __________, jobs in the federal bureaucracy are awarded on the basis of skills and expertise

a. issue networks b. the civil service system c. government corporations d. independent regulatory commissions