interpreting experiments with 2 groups

Question 1

levels:

Answer 1

differing amounts or types of an IV used in a study

Question 2

true experiment:

Answer 2

the experimenter directly manipulates the IV

Question 3

ex post facto research:

Answer 3

researcher does not manipulate the IV but can only classify, categorize, or measure the IV bc it is predetermined in the participants

Question 4

random selection:

Answer 4

a way of CHOOSING research participants from the population

Question 5

random assignment:

Answer 5

a way of assigning research participants to groups

Question 6

independent groups:

Answer 6

created by random assignment, of different individuals classified in different groups