CN104574241A - Online education assessment system and method - Google Patents
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Abstract
The invention provides an online education assessment system. The online education assessment system comprises a knowledge graph unit, a test unit, an assessment unit and a result generating unit. The knowledge graph unit contains one or more knowledge points and association relations between the knowledge points. The test unit contains one or more questions to be tested, and weighted values of the questions to be tested are determined according to associations between the bound questions to be tested and the knowledge points. According to the weighted values, the assessment unit selects part or all questions to be tested from the test as assessment questions which are subjected to assessing by the examinee. The result generating unit generates an assessment result report based on assessment result of the examinee. According to the technical scheme, relations between the knowledge points to be tested are formed into the graphs, and in the ultimate assessment report, the knowledge points which the examinee does not understand comprehensively are displayed.
Description
Technical field
The present invention relates to educational training field, particularly relate to a kind of online education evaluation system and assessment method.
Background technology
Along with the fast development of computer utility and Internet technology, online education as a kind of new mode of learning gradually accept by people, and online exam system is indispensable important component part in online education process.By test and appraisal, measured person can be made to understand self grasp situation to content fast, realize the selftest of measured person, autodiagnosis, excite autonomous learning enthusiasm, thus improve the quality of teaching further.
In current existing online exam system, set a question separately based on a certain knowledge point, isolate each other between the examination question of test and appraisal, simultaneously to test result the Grasping level of the actual knowledge concepts comprised be difficult to systematized analysis and manifest, after test and appraisal terminate, what measured person obtained is the test and evaluation report that portion comprises that situation is grasped in a series of single knowledge point, measured person cannot find out the incidence relation between test and appraisal knowledge point from evaluating result, thus systematized analysis cannot be done from root for the bad knowledge point of grasp, also measured person be cannot understand further and which knowledge point strengthening further and study needed in.
Therefore, need that one is more intelligent, more fully online education evaluation system, by the relation map between the knowledge point of test, and in final test and evaluation report, demonstrate measured person in which knowledge point grasp not.
Summary of the invention
In order to overcome above-mentioned technological deficiency, the object of the present invention is to provide a kind of novel online education evaluation system, helping measured person to understand the grasp situation of the knowledge point to test and appraisal comprehensively, systematically.
The invention discloses a kind of online education evaluation system, comprising: knowledge mapping unit, comprise one or more knowledge point, and the incidence relation between described one or more knowledge point; Examination question unit, comprises one or more examination question to be measured, the one or more bindings in examination question to be measured described in each and described knowledge point, and contacts according to examination question to be measured described in each and described knowledge point the weighted value determining examination question to be measured described in each; Test and appraisal unit, selects part or all of examination question to be measured as test and appraisal examination question according to described weighted value, and transfers to measured person to test and assess from described examination question to be measured; Result generation unit, generates an evaluating result report according to the evaluating result of described measured person.
Preferably, described knowledge mapping unit comprises graphical module, shows the direct or indirect incidence relation in knowledge point described in each and other knowledge points.
Preferably, described examination question unit comprises locating module, one or more in examination question to be measured described in each and described knowledge point is bound in tag form.
Preferably, knowledge point described in each has a knowledge point weighted value; The weighted value of examination question to be measured described in each is the knowledge point weighted value sum of all knowledge points of binding with described examination question to be measured.
Preferably, described test and appraisal unit comprises: pretreatment module, selects the examination question all to be measured bound with described knowledge point to be measured based on a knowledge point to be measured, and by described weighted value to the examination question sequence to be measured after selection; Examination question generation module, based on the examination question to be measured after sequence, selects wherein randomly ordered partly or entirely as actual test and appraisal examination question; Execution module, provides described reality test and appraisal examination question to measured person.
Preferably, described pretreatment module also chooses the knowledge point that is associated with described knowledge point to be measured as additional knowledge point, and selects the examination question all to be measured bind with described additional knowledge point, and sorts to the examination question to be measured after selecting by described weighted value.
Preferably, described knowledge point to be measured and the direct correlation of described additional knowledge point.
Preferably, described result generation unit comprises: pass judgment on module, mark to the evaluating result of measured person; Analysis and processing module, marks all knowledge points of having tested and assessed in described graphical module, and the test and appraisal situation of all knowledge points of having tested and assessed.
Preferably, described mark comprises: mark different knowledge point with different graphic; Different test and appraisal situation is marked with different colours.
The invention also discloses a kind of online education evaluating method, comprise the following steps: S1: set up a knowledge mapping according to one or more knowledge point and incidence relation thereof; S2: the examination question to be measured according to binding with knowledge point sets up test item bank, and determines the weighted value of each examination question to be measured; S3: the examination question to be measured bound with described knowledge point based on a knowledge point screening; S4: select part or all of examination question as test and appraisal examination question from examination question to be measured according to weighted value; S5: test and appraisal are performed to measured person; S6: treatment and analysis is carried out to the result of test and appraisal; S7: generate an evaluating result report according to the evaluating result of described measured person.
After have employed technique scheme, compared with prior art, there is following beneficial effect:
1. measured person can recognize the deficiency that self to which knowledge point grasps intuitively;
2. the knowledge point of test and appraisal is interrelated, real realization tracing to its source to knowledge point.
Accompanying drawing explanation
Fig. 1 is the online education process schematic diagram meeting one embodiment of the present invention.
Embodiment
Advantage of the present invention is set forth further below in conjunction with accompanying drawing and specific embodiment.
The invention discloses one and by test and appraisal examination question and the inter-related online education evaluation system in knowledge point, knowledge mapping unit, examination question unit, test and appraisal unit and result generation unit can be included.
Wherein, one or more knowledge point is included in knowledge mapping unit, owing to may there is certain relation between knowledge point, then in knowledge mapping unit, also include the direct or indirect relation in each knowledge point and other knowledge points, then from knowledge mapping unit, the relation between all knowledge points to be measured can be recognized clear, intuitively.The incidence relation of each knowledge point needs system formulates person manually adds appointment in system above, as determined in knowledge mapping, knowledge point A and knowledge point B is direct correlation, and connect the mark as direct correlation using two knowledge point straight lines, such as knowledge point A ' and knowledge point B ' are indirect association again, then connect the mark as indirect association using two knowledge point dotted lines.The interrelational form of above graphical module is only and illustrates, not knowledge mapping is set up to the restriction of mode.
Knowledge based Tupu unit, examination question unit includes one or more examination question to be measured, each examination question to be measured is all bound with one or more knowledge point, such as, that investigate in examination question a to be measured is knowledge point A and knowledge point B, then knowledge point A and knowledge point B has all bound this examination question a to be measured, and the knowledge point of simultaneously binding according to each examination question to be measured, determines the weighted value of each examination question to be measured.As above-mentioned for embodiment in, examination question a to be measured and knowledge point A and knowledge point B bound, then according to the significance level of the knowledge point of binding, give examination question a mono-weighted value to be measured.In one preferred embodiment, give each knowledge point one weighted value respectively, then bind the weighted value sum having the weighted value of the examination question to be measured of knowledge point to be bound knowledge point.Thus, according to the concept of weighted value, can will contact the closest with a certain knowledge point, investigate test question the most closely and filter out, solve the problem cannot knowing relevance between examination question and knowledge point.
In above-described embodiment, the binding of examination question to be measured and knowledge point completes by a locating module.Particularly, locating module gives each test and appraisal examination question one or more label, and each label record has the knowledge point associated with this test and appraisal examination question.Then when needing the binding relationship set up between knowledge point and examination question, only need read the label comprised in examination question, just can know examination question and which Knowledge Relation.Meanwhile, also in knowledge mapping, all examination questions be associated with a certain knowledge point can be gone out by quick-searching.
Test and appraisal unit will select part or all of examination question as test and appraisal examination question according to weighted value subsequently from examination question to be measured, thus transfer to measured person to test and assess.Particularly, test and appraisal unit includes a pretreatment module, the knowledge point to be measured that pretreatment module is selected according to measured person, picks out the examination question all to be measured that knowledge point to be measured is bound with this, and according to aforesaid weighted value to the test question sequence after selection.As previously described in a prior embodiment, the weighted value of each examination question to be measured is the weighted value sum that binding has all knowledge points, then can carry out examination question sequence according to the weighted value calculated after weighted value sum.Those of skill in the art would appreciate that carrying out sequence according to weighted value sum described in the present embodiment is a preferred mode, also can only sort based on the weighted value including a certain knowledge point, can need to change adjustment according to test.After having sorted, test and appraisal unit also includes examination question generation module, selects part or all of examination question according to test duration and test request in the examination question after sequence, as reality test and appraisal examination question, subsequently reality test and appraisal examination question is upset at random, to be formed finally towards the examination question of measured person.Then, the execution module that comprises of unit of testing and assessing examination question of reality being tested and assessed presents to measured person.
In one preferred embodiment, when needing to investigate the grasp what state of other knowledge points be associated with a certain knowledge point to measured person, pretreatment module is after sorting to test examination question, also using according to the knowledge point be associated with knowledge point to be measured of recording in knowledge mapping unit as additional knowledge point, then, repeat the above-mentioned mode of operation selecting examination question according to knowledge point, select all test questions bound with additional knowledge point, and again according to weighted value, the test examination question after selection is sorted.Known is, according to time and the volume of test, can select with the knowledge point of knowledge point to be measured direct correlation as additional knowledge point, also or select and the knowledge point of knowledge point to be measured indirect association as additional knowledge point, or aforementioned both all elect, optimal test mode can be selected according to the test request of measured person.
After measured person tests test and appraisal examination question, the result generation unit of online education evaluation system generates a report by according to the answer of testing and assessing and result.Particularly, result generation unit comprises a judge module, corrects, and mark according to the test and appraisal of correct option to measured person; Also include an analysis and processing module, by all knowledge points of measured person this time involved by test and appraisal on mark in the graphical module of knowledge mapping unit, and the scoring event of each knowledge point of having tested and assessed.The benefit of this mark is, after establishing graphical module, measured person takes a simple mark, but obtain higher from error rate on which knowledge point according to the wrong part of test and appraisal, on which knowledge point, the good situation of Grasping level, really achieves tracing to its source to knowledge point.
In one preferred embodiment, above-mentioned mark specifically includes: adopt different graphic to represent the different knowledge points of investigation, as adopted the circular topmost knowledge point that this test and appraisal will be investigated that represents, adopt square to represent and the main knowledge point direct correlation of circle markings or the additional knowledge point of indirect association, then from this mask method, measured person can find out that this investigates the proportion and emphasis distribution situation occupied in whole knowledge mapping.For the grasp situation of measured person to knowledge point, classification annotation can be carried out, such as, according to the height of score at the scoring event of each test and appraisal knowledge point according to measured person, higher to score, grasp good knowledge point and adopt green mark, medium to score, grasp general knowledge point and adopt yellow mark, lower to score, grasp poor knowledge point and adopt red mark, then, in knowledge mapping, the grasp situation on all knowledge points can be clear that.Finally in conjunction with knowledge point mark and test and appraisal situation mark, in knowledge mapping after mark, show measured person to whole test and appraisal knowledge point intuitively, the investigation situation of qualitative, quantitative, at comprehensive system, the deficiency that the measured person of relief recognizes self is tested to measured person.
Consult Fig. 1, in conjunction with above-mentioned online education evaluation system, the invention also discloses the assessment method of this evaluation system, include following steps:
S1: set up a knowledge mapping according to the knowledge point of required test and the relation between each knowledge point and other knowledge points, this knowledge mapping includes the arrangement of all knowledge points, and the explanation of correlation degree between knowledge point, as straight line represents direct correlation, dotted line represents indirect association etc.;
S2: the knowledge point will investigated according to examination question to be measured, binds each knowledge point and test examination question, thus sets up test item bank, simultaneously, give each knowledge point one weighted value, the weighted value of the knowledge point of being bound by each test question is added, and the weighted value sum obtained is the weighted value of test question;
S3: determine knowledge point to be measured, thus the examination question to be measured that screening and knowledge point are bound;
S4: after screening, selects to test and assess examination question as reality with part or all of examination question based on a knowledge point to be investigated from the selection result;
S5: according to reality test and appraisal examination question, selectively upset examination question, and test and appraisal are performed to measured person;
S6: after measured person completes examination question, marks to the result of test and appraisal, and carries out analyzing and processing to measured person at scoring event that is a certain or some knowledge point;
S7: after above-mentioned analyzing and processing, generates an evaluating result report, shows measured person in grasp situation that is a certain or some knowledge point, and the scoring event of the knowledge point first associated with this knowledge point and grasp situation.
After adopting above-mentioned assessment method, the knowledge point of all test and appraisal and examination question are all interrelated, and measured person can systematically understand inadequate from what grasp on which knowledge point.
Should be noted that, embodiments of the invention have preferably implementation, and not any type of restriction is done to the present invention, any person skilled in art of being familiar with may utilize the technology contents of above-mentioned announcement change or be modified to equivalent effective embodiment, in every case the content of technical solution of the present invention is not departed from, the any amendment done above embodiment according to technical spirit of the present invention or equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. an online education evaluation system, is characterized in that, comprising:
Knowledge mapping unit, comprises one or more knowledge point, and the incidence relation between described one or more knowledge point;
Examination question unit, comprises one or more examination question to be measured, the one or more bindings in examination question to be measured described in each and described knowledge point, and contacts according to examination question to be measured described in each and described knowledge point the weighted value determining examination question to be measured described in each;
Test and appraisal unit, selects part or all of examination question to be measured as test and appraisal examination question according to described weighted value, and transfers to measured person to test and assess from described examination question to be measured;
Result generation unit, generates an evaluating result report according to the evaluating result of described measured person.
2. online education evaluation system as claimed in claim 1, is characterized in that,
Described knowledge mapping unit comprises graphical module, shows the direct or indirect incidence relation in knowledge point described in each and other knowledge points.
3. online education evaluation system as claimed in claim 1, is characterized in that,
Described examination question unit comprises locating module, one or more in examination question to be measured described in each and described knowledge point is bound in tag form.
4. online education evaluation system as claimed in claim 3, is characterized in that,
Knowledge point described in each has a knowledge point weighted value;
The weighted value of examination question to be measured described in each is the knowledge point weighted value sum of all knowledge points of binding with described examination question to be measured.
5. online education evaluation system as claimed in claim 1, is characterized in that,
Described test and appraisal unit comprises:
Pretreatment module, selects the examination question all to be measured bound with described knowledge point to be measured based on a knowledge point to be measured, and by described weighted value to the examination question sequence to be measured after selection;
Examination question generation module, based on the examination question to be measured after sequence, selects wherein randomly ordered partly or entirely as actual test and appraisal examination question;
Execution module, provides described reality test and appraisal examination question to measured person.
6. online education evaluation system as claimed in claim 5, is characterized in that,
Described pretreatment module also chooses the knowledge point that is associated with described knowledge point to be measured as additional knowledge point, and selects the examination question all to be measured bind with described additional knowledge point, and sorts to the examination question to be measured after selecting by described weighted value.
7. online education evaluation system as claimed in claim 6, is characterized in that,
Described knowledge point to be measured and the direct correlation of described additional knowledge point.
8. online education evaluation system as claimed in claim 2, is characterized in that,
Described result generation unit comprises:
Pass judgment on module, the evaluating result of measured person is marked;
Analysis and processing module, marks all knowledge points of having tested and assessed in described graphical module, and the test and appraisal situation of all knowledge points of having tested and assessed.
9. online education evaluation system as claimed in claim 8, is characterized in that,
Described mark comprises:
Different knowledge point is marked with different graphic;
Different test and appraisal situation is marked with different colours.
10. an online education assessment method, is characterized in that, comprises the following steps:
S1: set up a knowledge mapping according to one or more knowledge point and incidence relation thereof;
S2: the examination question to be measured according to binding with knowledge point sets up test item bank, and determines the weighted value of each examination question to be measured;
S3: the examination question to be measured bound with described knowledge point based on a knowledge point screening;
S4: select part or all of examination question as test and appraisal examination question from examination question to be measured according to weighted value;
S5: test and appraisal are performed to measured person;
S6: treatment and analysis is carried out to the result of test and appraisal;
S7: generate an evaluating result report according to the evaluating result of described measured person.
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