Question: Gardner, H., Feldman, D. H. & Krechevsky, M. (1998) Project Spectrum: Preschool Assessment Handbook (Project Zero Frameworks for Early Childhood Education, Volume 3). Teachers College Press.Google Scholar. How does this source contribute to your information about on your research skill? (Also known as your thesis statement/topic). Summarize in 250-300 words . Identify two-three concrete details from this source you might use in your presentation. . Is the author of your article, book, or website credible? Trustworthy? Explain why and give an example. What kind of evidence does the author use? If this is a secondary source, does the author use primary sources to convince the reader of his/her position? What kind of data is used?