Randomization Flashcards
1
Q
refers to the assignment of the experimental units to the treatments or vice versa, by chance.
A
Randomization
2
Q
It ensures a valid or unbiased estimate of population parameters e.g. means and difference between treatments
A
Randomization
3
Q
It neutralizes possible effect of the pre- existing differences between samples to the experimental results
A
Randomization
4
Q
ensures that what be measured is being measured
A
valid
5
Q
In a ———, every subject is assigned to a treatment group at random.
A
completely randomized design
6
Q
In a ———, subjects are first grouped according to a characteristic they share, and then randomly assigned to treatments within those groups.
A
randomized block design (aka stratified random design)
