Corey is researching the effects of vitamin C on test-taking ability. Before the exam, Corey gives group A orange juice, and group B water.  Vitamin C is the ______.

Sam is researching whether actors on prime-time television and hit movies negatively impact teenagers’ body images. They decide to go undercover at a local high school to observe and participate with the students to better understand the world they live in.  Sam is conducting which research method?

A researcher hypothesizes that African Americans are more likely than whites to oppose capital punishment.  Which is the dependent variable?

What might you assess in a healthy, developmentally appropriate 9-month old.

A new faculty member decides to volunteer to head up the “speakers” program for faculty seminars because it would put him in the center of many communications about the weekly presentations. This is illustrative of network structure through

Why would you need foreign key:

How many tables do you need to implement a many-to-many relationship in a relational database? 

Upload your solution as a .py file. Write a Python program (no need to write any function) that will read a bunch (how many is not specified) of letters each separated by a space from the previous one. Your program will assign these letters to a list. The way to do so is illustrated in the following code sample that you will have to adapt to your needs: letters = . You will then display that new version of the list of letters.  Finally, your program will display which of the letters in the new list is the closest to the beginning of the alphabet and which one is closest to the end. HINT – you must NOT sort the list to do this. You can simply use functions that we already studied when learning about lists. Sample program execution (user input is in red): Enter a bunch of letters separated by spaces: r a d a r You typed: Your input contains the letters: The closest letter to the start of the alphabet is: aThe closest letter to the end of the alphabet is: r Grading Rubric:  Reading the values into a list correctly and according to the above example (1 point) Keeping only one copy of each letter in the list (1 point) Displaying the letters that are closest to the start / end of the alphabet (1 point)

Upload your solution as a .py file. Write a Python program (no need to write any function) that creates a named tuple defined as follows:  The name of the variable holding the named tuple object is Employee, the name of the named tuple is also Employee The name of the fields inside the named tuple are (in order) the names in the column headers of the table below You will then create one object of that named tuple data type per row of the following table last_name first_name salary last_evaluation_rating Smith John 30000 5 Smith Jack 40000 3 Smith Jill 50000 5 You will then display the information about each of these objects on the screen.   Sample Program Execution (no user input):  Employee(last_name=’Smith’, first_name=’John’, salary=30000, last_evaluation_rating=5)Employee(last_name=’Smith’, first_name=’Jack’, salary=40000, last_evaluation_rating=3)Employee(last_name=’Smith’, first_name=’Jill’, salary=50000, last_evaluation_rating=5) Grading Rubric 1 point for defining the named tuple 1.5 points for creating the three named tuples objects 1.5 points for displaying the three named tuples as illustrated above

Give an example of your body’s first line of defense