[Answered] Control in an experiment can be achieved through: a. random assignment of participants to groups. ...

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joe

Hero Member
Posts: 627

on: Jun 20, 2018

Control in an experiment can be achieved through:

a. random assignment of participants to groups.
b. experimental design.
c. logic.
d. all of these

Question 2

External validity in an experiment is most related to:

a. participant assignment to groups.
b. representativeness of the sample.
c. confounding variables.
d. a pretest.

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Marked as best answer by a Subject Expert

Jayson

Sr. Member
Posts: 350

Reply #1 on: Jun 20, 2018

Answer to Question 1

D

Answer to Question 2

B

joe

Member
Posts: 627

Reply 2 on: Jun 20, 2018

Excellent

sarah_brady415

Member
Posts: 328

Reply 3 on: Yesterday

Gracias!

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