in the research section in the marking guideline thingy i got it says "describes a wide range of research which is relevant to the major work" that is in the 17-20 marks part which is the highest, so basically all u have to do is research stuff like the timber ur using, say door handles and hinges if u are, u mite have sum cloth or sumfin like that in urs, then like nails, screws, glue, finishes etc. etc. just have to sorta find all the different varities of that and then yea in ur selection and justification list which thing u chose and why thats wat i did and my teacher said i would be very unlucky if i didnt get a band 6 he mite be spinnin shit but yea just stuff like that hope i can help.