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A science researcher is reviewing another scientist's experiment and conclusion. When would the reviewer most likely consider the experiment invalid?
if it contains conclusions not explained by the evidence given
number of squeezes
The experiment must be repeated a number of times and yield similar results.
stopper the flask tightly to prevent evaporation of the solution
draw a valid conclusion
data from repeated trials of the experiment
A hypothesis serves as a basis for determining what data to collect when designing an experiment
a. they are consistent with experimental data and observations
In an experiment to test the effect of exercise on the number of times a clothespin can be squeezed in 1 minutes, the dependent variable would be the
if it contains conclusions not explained by the evidence given
number of squeezes
The experiment must be repeated a number of times and yield similar results.
stopper the flask tightly to prevent evaporation of the solution
draw a valid conclusion
data from repeated trials of the experiment
A hypothesis serves as a basis for determining what data to collect when designing an experiment
a. they are consistent with experimental data and observations
Which statement best describes a hypothesis?
if it contains conclusions not explained by the evidence given
number of squeezes
The experiment must be repeated a number of times and yield similar results.
stopper the flask tightly to prevent evaporation of the solution
draw a valid conclusion
data from repeated trials of the experiment
A hypothesis serves as a basis for determining what data to collect when designing an experiment
a. they are consistent with experimental data and observations
Conclusions based on an experiment are most likely to be accepted when
if it contains conclusions not explained by the evidence given
number of squeezes
The experiment must be repeated a number of times and yield similar results.
stopper the flask tightly to prevent evaporation of the solution
draw a valid conclusion
data from repeated trials of the experiment
A hypothesis serves as a basis for determining what data to collect when designing an experiment
a. they are consistent with experimental data and observations
results predicted before performing the experiment
if it contains conclusions not explained by the evidence given
number of squeezes
The experiment must be repeated a number of times and yield similar results.
stopper the flask tightly to prevent evaporation of the solution
draw a valid conclusion
data from repeated trials of the experiment
A hypothesis serves as a basis for determining what data to collect when designing an experiment
a. they are consistent with experimental data and observations
Researchers performing a well-designed experiment should base their conclusions on
if it contains conclusions not explained by the evidence given
number of squeezes
The experiment must be repeated a number of times and yield similar results.
stopper the flask tightly to prevent evaporation of the solution
draw a valid conclusion
data from repeated trials of the experiment
A hypothesis serves as a basis for determining what data to collect when designing an experiment
a. they are consistent with experimental data and observations
If a control group is not included in an experiment, it would be difficult to
if it contains conclusions not explained by the evidence given
number of squeezes
The experiment must be repeated a number of times and yield similar results.
stopper the flask tightly to prevent evaporation of the solution
draw a valid conclusion
data from repeated trials of the experiment
A hypothesis serves as a basis for determining what data to collect when designing an experiment
a. they are consistent with experimental data and observations
Which statement represents an unsafe procedure for heating a nutrient solution in a flask?
if it contains conclusions not explained by the evidence given
number of squeezes
The experiment must be repeated a number of times and yield similar results.
stopper the flask tightly to prevent evaporation of the solution
draw a valid conclusion
data from repeated trials of the experiment
A hypothesis serves as a basis for determining what data to collect when designing an experiment
a. they are consistent with experimental data and observations
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