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Random sampling increases _____________ validity, and random assignment increases _______________ validity. Question 18 options: a) Internal; internal b) Internal; external c) External; internal d) External;
Random sampling increases _____________ validity, and random assignment increases _______________ validity. Question 18 options: a) Internal; internal b) Internal; external c) External; internal d) External; external
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Linear Algebra and Its Applications
Authors: Gilbert Strang
4th edition
30105678, 30105676, 978-0030105678
