( ( ( ( ( ( The experiment ) ( should ( address ( a ( specific hypothesis ) ) ) ) ) , ) and ) ( you ( should ( consider ( ( the ( important features ) ) ( of ( ( ( experimental design ) , ) ( ( ( ( i.e. ( , ( ( independent and ) dependent ) ) ) variables ) , ) ( ( ( ( ( proper controls ) , ) replication ) , ) etc. ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (DT The) (NN experiment)) (VP (MD should) (VP (VB address) (NP (DT a) (JJ specific) (NNS hypothesis))))) (, ,) (CC and) (S (NP (PRP you)) (VP (MD should) (VP (VB consider) (NP (NP (DT the) (JJ important) (NNS features)) (PP (IN of) (NP (NP (JJ experimental) (NN design)) (, ,) (NP (NP (ADJP (JJ i.e.) (, ,) (JJ independent) (CC and) (JJ dependent)) (NNS variables)) (, ,) (NP (NP (JJ proper) (NNS controls)) (, ,) (NP (NN replication)) (, ,) (FW etc.))))))))) (. .)))
The experiment should address a specific hypothesis , and you should consider the important features of experimental design, i.e., independent and dependent variables, proper controls, replication, etc.
(ROOT (S (NP (NP (DT The) (NNS values)) (PP (IN of) (NP (JJ independent) (NNS variables)))) (VP (VBP are) (VP (VBN controlled) (PP (IN by) (NP (NP (DT the) (NN experimenter)) (PP (IN over) (NP (NP (DT the) (NN course)) (PP (IN of) (NP (DT an) (NN experiment))))))))) (. .)))