Experiment 2:
a student tested to see if a new fertilizer made roses
bloom earlier. she used a logical method and control and
experimental groups. she performed one experiment and
found that the fertilizer had no effect.
which experiment most likely has greater reliability, and why?
d
a. number 2, because it has control and experimental groups
o
b. number 1, because the experiment was repeated with the same
results
-
c. number 2, because she performed only one experiment
o
d. number 1, because the experiment proved the hypothesis