Types of procedures that could increase the validity of conclusions from experiements are ...
Single-blind procedures - the <em>subject does not know</em> which treatment they receive
Double Blind procedures - <em>neither </em>the experiementer or the subject know the treatments they receive
matched pairs experiements - used in experimental research in order for differen<em>t experimental conditions to be observed while being able to control for individual difference </em>by matching similar subjects or groups with each other.
experiments with a <em>control </em>and <em>lots of trials </em>and so fourth!
Bc while asexual reproduction is a copy of your genes and DNA, sexual reproduction involves an infinite amount of combos from your genes and your partner's genes as well.
Evaporation and condensation can be used to purify water because it allows for the dirt and other chemicals that are harmful to be taken out of the water and leave behind a much cleaner and purified water, almost like filtering it naturally.
