need help with biology!! (1 Viewer)

[reniiiblaseee]

hi guys i need help rq with how to answer questions that ask abt accuracy, validity & reliability. i can never answer them right and never get full marks
like for example questions like how is this a valid method or how does this improve the accuracy of the data

can someone pls pls explain to me

 

[its_ace21]

 

[reniiiblaseee]

ur a life saver i love u