Introduction Section of a Research Paper

I need a Introduction section of a research paper. I will attach all the articles needed to be read for the Introduction. Also the instructions. It has to be 4 PAGES long. Also attached is the outline for the introduction. More than welcome to use more articles. But the 5 listed must be included. APA format for this research paper. 

Article 1: Healy(1981) The effects of visual similarity on proofreading for misspellings. 1981, Vol. 9 (5), PGS. 453-460

Article 2: Riefer (1991) Behavior engineering proposals: 4. Is "Backwards reading" an effective proofreading strategy? 1991, 73, 767-777

Article 3: Riefer (1993) Behavior engineering proposals: 5 An experimental comparison of team versus solo proofreading. 1993, 76, 111-117

Article 4: Smith (1987) Mark my words, introduction and practice in proofreading. 1987, 14 - 21

Article 5: Wong (1973), What are we doing about proofreading. 1973, 122 - 124 

Hypothesis: I expect people who read aloud notice more spelling errors than those who read silently. 

Purpose : To show why aloud is better than silent. 

Independent variable : Type of proof reading, Levels: silent and aloud 

Dependent variable: number of spelling errors detected by the participants