Use_case

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Use Case

Question #	Question Text	Analysis	Data Sources	How user might query
1	Have my course grades declined over the years?	ANOVA of course grades, individual exam grades	Faculty uploaded spreadsheet with records of student grades for each year	Log-in as myself, check-off my courses that I am interested in analyzing
2	Why are my course grades declining? Are more students taking AP (bio) and placing out of this course?	Relationship among ACT/SAT scores, AP bio scores, course grades	Registrar demographic data: ACT/SAT scores, AP Bio scores; course grades; Faculty uploaded spreadsheet with records of student grades for each year	Log-in as myself, check-off my courses that I am interested in analyzing
3	Has the use of clickers improved student learning in my course?	Correlation (regression) between clicker use, clicker score(s) and exam scores	Registrar demographic data; Faculty uploaded exams, tagged by topic; Faculty uploaded clicker questions, tagged by topic; Faculty uploaded spreadsheet with: Annual records of student grades, Student grades on individual assessment items, Student grades or responses on individual clicker items	Log-in as myself, check-off my courses that I am interested in analyzing. Within courses, I will mark assessment items of interest (clicker questions on topic a, assessment questions on topic a)
4	What is the impact of multiple attempts at online homework on exam scores in my course?	Correlation between number of tries and exam scores Regression/partial regression using GPA or other control variables	Registrar demographic data Registrar GPA data Faculty uploaded exams, tagged by topic Faculty uploaded spreadsheet with: Student exam scores Student grades on individual items	Log-in as myself, check-off my courses that I am interested in analyzing With-in each course, I will mark assessment items of interest (homework questions on topic a, assessment questions on topic a)	Demographic data Exam questions on topic Homework questions on topic # attempts per homework problem per student Exam scores Individual student responses on exam, at assessment item level
5	How are my students performing on a particular topic? Are they doing better on evolution this year (versus last year)?	Pre-test/post-test analysis ANOVA of grades on specific assessment items	Registrar demographic data Faculty uploaded assessments and rubric for each year, tagged by topic Faculty uploaded spreadsheet with: Student exam scores for each year, Student grades on individual assessment items for each year	Log-in as myself, check-off my courses that I am interested in analyzing Within each course, I will mark assessment items of interest	Demographic data Exam questions on topic Exam rubric Student exam responses/scores on topic Question order from exam (since easier questions often to come first)
6	How are my students performing on questions that are of a higher Bloom’s level?	Descriptive statistics on questions based on classifications – correlation Cluster analysis (PCA) of outcomes based on classification, topic, and the interaction of those two	Registrar demographic data Faculty uploaded assessments and rubric, tagged with Bloom’s data Faculty uploaded spreadsheet with: Student exam scores for each year; Student grades on individual assessment items for each year	Log-in as myself, check-off my courses that I am interested in analyzing Within each course, I will mark assessment items of interest to me, based on Bloom’s levels	Demographic data Exam questions Bloom’s level for each assessment item Student response data on each assessment item Student scores on each assessment item Rubric for each assessment item
7	Does a particular teaching innovation (i.e. Avida-ED) impact student learning of a particular topic (i.e. Evolution) in my course?	Correlation between innovation and exam score (or score on particular assessment items on exam) over time	Registrar demographic data Faculty uploaded assessments and rubric for each year, tagged by topic Faculty uploaded spreadsheet with: Student exam scores for each year; Student grades on individual assessment items for each year	Log-in as myself, check-off my courses that I am interested in analyzing Within each course, I will mark assessment items of interest to me, based on keywords or tags\Demographic data Rubric for exam or assessment items Student response data for exam or assessment items (at T0 and T1) Student scores for exam or assessment items (at T0 and T1)
8	Is there a difference in course grades between sections? (e.g. Different sections could be taught by different TAs, at different times, etc)	Correlation between section and individual assessment (or assessment items)/course grades (or between TA and section grades)	Registrar demographic data Faculty uploaded assessments and rubric for each year, tagged by topic Faculty uploaded spreadsheet with: Student exam scores; Student grades on individual assessment items	Log-in as myself, check-off my courses that I am interested in analyzing	Demographic data Exam scores from multiple sections Individual assessment items from multiple sections Student scores on individual assessment items from multiple sections
9	How do my students compare with students from another school on topic x?	Correlation between institution and grade on topic x.	Registrar demographic data Faculty uploaded assessments and rubrics, tagged by topic Faculty uploaded spreadsheet with: Student exam scores; Student grades on individual assessment items Metadata linking course to a particular type/sized institution	Log-in as myself, check off my courses that I am interested in analyzing Select my assessment items from topic x Search database for additional school to analyze that are similar in Carnegie categorization, similar in course size, all schools Search these assessments for items on topic x	Demographic data Individual assessment items on topic x. Exam on topic x. Student scores on individual assessment items and/or exam on topic x.
10	For accreditation, I would like to show that our students have learned y.	Comparison of student performance at T0 and T1.	Registrar demographic data Faculty uploaded assessments and rubric, tagged with topic and Bloom’s data Faculty uploaded spreadsheet with: Student exam scores for each year; Student grades on individual assessment items for each year	Log-in as myself, check off my courses that I am interested in analyzing Select my assessment items from topic x	Demographic data Assessments or assessment items on y. Rubric for assessments or assessment items on y. Student response data for assessments or assessment items. Student scores for assessments or assessment items on y.
11	What levels of understanding are typically targeted by assessments in introductory (or upper) level biology courses at my institution/at institutions similar to mine/at all institutions?	Proportion of lower-level Bloom’s items to higher-level Bloom’s items Histogram of data	Faculty uploaded assessments, tagged by Bloom’s data Metadata form tagging course level, institution information (size, type)	Search for all assessment items in courses at the 100-level	Bloom’s data for individual assessment items in introductory courses at a particular institution(s)/across institutions
12	What misconceptions do students generally hold about topic d?	Qualitative analysis of student responses and scores to parse out misconceptions	Registrar demographic data Faculty uploaded assessments tagged with topic and Bloom’s data	Search for all assessment items on topic d	Demographic data Assessment items on topic d (if multiple choice, must include the foils) Rubric for assessment items on topic d Student responses Student scores
13	What is the impact of course size on the assessments used?	Correlation between course size and Bloom’s taxonomy level	Registrar demographic data Faculty uploaded assessments tagged with topic and Bloom’s data Metadata form indicating course size	Search for courses of a particular size	Demographic data Course size Institution size or Carnegie Classification Majors or non-majors course Bloom’s taxonomy level
14	Are low performers in my course also struggling in other courses?	Correlation between course grade or individual assessment grade and university GPA, major GPA	Registrar demographic data Registrar GPA data Faculty uploaded spreadsheet with student course grades	Log-in as myself, check off my courses that I am interested in analyzing	Demographic data Course or assessment grades by students University GPA Major GPA

?	How reliable is my exam question taxonomy?

The following use cases and database requirements come from weekly meetings of the Database Development Team.

Meeting Date	Use Case Description	Decision Made?	dBase as Test Bank	User training/ documentation	Content metadata	Course Metadata	Query related
June 19, 2007 KBS	I would like to consolidate and archive my data and metadata.	n/a
April 13, 2007 September 18, 2007	I would like to tag these assessments with my own Blooms data	yes - we will support			X
April 13, 2007 September 18, 2007	I would like to code these assessments according to my own taxonomy	yes - we will support			X
May 18, 2007 September 18, 2007	I would like to add concept categories to this assessment	yes - we will support			X
April 13, 2007	I would like to know the answers and point values for this assessment item (or items)	yes - we will support	x		x
May 22, 2007	I would like to upload my detailed rubric for this assessment.		x		x
April 13, 2007 June 19, 2007	I would like to know the grading rubric for this assessment item (or items)		x		x
May 18, 2007 June 19, 2007	I would like to find assessment items that address a particular misconception		x		x	x
June 19, 2007	What is the learning objective associated with this assessment item?		x		x
May 18, 2007	I would like to upload my non-MC exams and student responses. Student responses are a scanned image -or- electronic.	outside the current scope
April 13, 2007 May 4, 2007	Identifying information of students, faculty and universities must be removed	yes - we will support			x
April 13, 2007	I would like to import data directly from my course management software (e.g. Angel, Blackboard, WebCT, etc)	outside current scope					x
May 4, 2007	I would like to import student response data directly from my excel workbook	yes - will support					x
April 13, 2007 September 18, 2007	There must be a minimum level of data/metadata included for a submission to be accepted into the database	need to define minimum metadata standards					x
May 18, 2007	What areas or concepts in biology/chemistry/physics are students having difficulty with?	n/a
May 18, 2007	How did students do on all questions of a given topic? -within a class -within a course -within an institution -across the database	n/a			x	x
May 18, 2007	How did students do on a question that required a certain level of thinking?	n/a			x	x
May 18, 2007	I would like to find those questions on topic X where students did particularly well or poorly (depending on my own criteria of good and bad)	n/a				x
May 18, 2007	Compare performance of two (or more) groups of students on an item or set of items -over time (this year versus last year) -gender or ethnic background -majors or non-majors	yes - will support	x		x	x
May 18, 2007	Find questions based on format (clicker, mc, short answer, etc)	pending?	x		x	x
May 18, 2007	Find questions that include a particular format element (i.e. graph, particular model or image, etc).	outside current scope
June 12, 2007	I would like to query across data levels (i.e. query for particular assessment items at an institution over time and courses	yes - will support			x	x
June 19, 2007	I would like demographic data returned.	yes - will support
June 19, 2007	I would like to see what concepts are considered difficult across disciplines. Are we going to compute dynamic meta data such as the difficulty of an item that would change based on the data from the students? Difficulty and other performance metrics should be dynamic, rather than asking faculty to upload them.	pending			x	??analysis
July 3, 2007	I have additional data/metadata I would like to upload - where can I do that?	n/a	x	x	x
July 3, 2007	Assessment items will be tagged according to an ontology, not by categories.	yes	x		x	x
July 31, 2007	I would like to upload my scientific reasoning instrument. Questions do not fit a discipline-based ontology This instrument is administered at multiple institutions.	yes	x	x	x	x
August 30, 2007	Each student, class, course, institution, faculty member must have a unique identifier.	yes - will support				x	x
August 30, 2007	Faculty members must be able to indicate pages on an exam that are blank, devoted to a figure, picture or formula	yes - completed?					x
August 30, 2007	Who can access the database? (registered users, anyone? What level of data is returned?)	pending	x	x
August 30, 2007	The database must handle multiple instructors for a class -and- visiting instructors (i.e. faculty who are not officially on staff at an institution)	no			x	x
September 11, 2007	Database must deal with multiple sections of a single course.	yes
October 9, 2007	Data is returned completely anonymized/partially anonymized/not anonymized.
October 9, 2007	I would like to track a cohort of students over time.
October 9, 2007	I would like to upload student response data, but some answers contain identifying information.
November 6, 2007	Demographic data will be stored with individual assessments. Students will not have global identifiers.
November 6, 2007	Query returns must be constrained so as not to return a limited dataset that could result in the identification of a student.
November 6, 2007	I made a mistake in the classification of an assessment item. I'd like to revise it.
November 6, 2007	I would like to find assessment items tagged as 'good' - search quality tags by a professional society.
November 6, 2007	I have no idea how to classify my assessment items.
November 27, 2007	User will be able to search nbii thesaurus and with a mouse click, add that concept tag to their assessment item(s)
November 27, 2007	Database will use the NBII Biocomplexity thesaurus as the Biology ontology
November 27, 2007	Ontology for a discipline must not be rigid - additions must be possible.
December 4, 2007	I would like data returned in a simple, rectangular format.
December 4, 2007	I would like data returned in some other formant ???
December 4, 2007	I would like to query all R1 institutions, based on the Carnegie classification system.
December 4, 2007	I would like a simple analysis of change over time returned with the data.
December 4, 2007	I would like my search history saved. Are we saving the query syntax or are we expecting to be able to reproduce the exact dataset? Can probably reproduce the dataset if the date that the data were uploaded is stored in the database and can be made part of the query.
December 4, 2007	I would like the details of my query returned with the results.
January 10, 2008	Instead of answering a litany of questions, I will upload my course syllabus.
January 10, 2008	I would like my syllabus to be anonymized when uploaded.
KBS	I would like to filter out low-level Bloom questions, multiple choice questions, essay questions, etc.
KBS	I would like to find other faculty who are similar to me in teaching approach/assessment items/Bloom's level/etc
KBS	I would like to upload a published assessment (e.g. Concept Inventory)
KBS	Database must store unconventional assessments (models, pictures, diagrams, etc).
KBS	All data or a standard subset of data and metadata should be reported for each assessment item.
Purdue	I am an administrator and would like to use the database.
Purdue	Administrator: would like to compare new faculty with tenured faculty based on: -student scores -average Bloom level per exam -average number of students taught a semester -course level taught
February 4, 2008 MU-L	Content metadata: must be able to use different content metadata by discipline. While we can use the NBII thesaurus for biology, we need to have an API that can be used to define other metadata for other disciplines.
February 4, 2008	How will assessment items be returned? Will users pick out one question at a time, or will they check off those questions they are interested in downloading? What format will questions be returned - xml, QTI, etc?	none yet	x

How will users query?

Assessment item (individual question)
Student responses

On individual items
On a group of items (i.e. an exam or user-defined number of questions)

Concept category

Functional requirements (based on use cases) can be found on the Functional_requirements page

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This particular version was published on 06-Feb-2008 09:53:04 PST by uid=momsenj,o=MSU.