How Much Teacher Help Is too Much? By Diane Trim

I received this via an email from Inside the School. I thought there were some good talking points about teacher help.
I have always been perplexed by the term spoon feeding. I know that it means that the teacher gives his students too much help, but I've never been clear on how much is too much.
I'll give you five possible spoon feeding scenarios. Let me know in the comments which one(s) are spoon feeding and which one(s) represent good teaching.
Scenario 1: One test hint
Lindsay is new teacher who passes out Test Hint coupons like extra credit points. During a test or a quiz, a student may use one coupon for a free teacher hint on a question. Students ask the teacher a question and she gives them a hint. She doesn't accept the question, "Is this right?" but the rest are fair game.
Scenario 2: Testing from homework
Matt, the math teacher, encourages his students to complete their homework and ask questions about problems they can't solve. He gives homework a completion grades only and doesn't grade at all on correct answers. Matt told me that he wants students to attempt the homework and to figure out a method for solving the problems that worked for them. As a reward for the students who complete homework every day, Matt creates his tests and quizzes from the homework questions. Students who keep up with the math class's daily work tend to perform well on Matt's assessments.
Scenario 3: The review game
A popular history teacher always plays a review game with his students before a test. The questions he uses are right off the test sheet. Students may use notes, books, or one another to answer questions. When the class finishes the game, the students take the test.
Scenario 4: The cheat sheet
Our physics teacher believes her students have a difficult time memorizing all the formulas and measurements they need to answer physics questions. The day before a test, she distributes a 3 x 5" index card to her classes. Students fill up the card – in ink only, no printed material – with formulas, definitions, and facts they think they'll need for the next day's test. The physics teacher claims that creating the "cheat sheet" actually helps them study. She also says that her testing objectives aren't at the understanding level of Bloom's Taxonomy. She aims for the higher levels of analyzing, applying, and evaluating.
Scenario 5: Start me out
Michelle, the English teacher, often takes modeling essay writing one step further for students who aren't strong writers. She sits with a small group and begins a sentence for them. She asks her students to finish the sentence with their own words. She and her students draft a paragraph together and she models the essay writing process with them. Before the students return to their seats, Michelle makes sure each kid has at least an introduction, a thesis statement, topic sentences, a clincher, and an outline for the rest of the essay.
What do you think? Are any of these scenarios examples of spoon feeding students information? How much assistance is too much? Where do you draw the line in your own classroom?