Question

random assignment
replication
blinding
control group
treatment group
block design
a. using randomization to decide which participants receive each treatment
b. including a large number of participants, or repeating the experiment with a new group of participants
c. when the participants do not know who is receiving the treatment and who is receiving a placebo
d. the group of participants receiving the placebo or no treatment
e. the group of participants receiving the treatment
f. when the participants are grouped by similar characteristics that are not directly being studied but may influence the

Explanation:

Match the terms with their definitions. Random assignment is about randomizing treatment - allocation. Replication involves large participant numbers or repeated experiments. Blinding is when participants are unaware of treatment - placebo status. Control group gets placebo or no treatment. Treatment group gets the treatment. Block design groups participants by related characteristics.

Answer:

a. Random assignment
b. Replication
c. Blinding
d. Control group
e. Treatment group
f. Block design