MSSTL10-Carlow IT May 2010
Setting the scene Initial phase of research Aim of presentation Profiling at risk students Predicting failure of at risk students Conclusions Implications for future work
Data collected on Technology and Science students since 1997 Up to 600 students tested each year It currently consists of information on almost 7000 students The dataset contains information on students such as: Gender Leaving Cert. mathematics Grade, Level and Points Degree programme of study Attendance at support tutorials Performance in service mathematics examinations Standard or Non standard Performance in the diagnostic test Numbers at risk of failing service mathematics?
Technology % at risk (% with HL) 32.8% 41.0% 46.4% 33.0% Science %at risk (% with HL) 21.3% 55.0% 46% 38.0%
Decline in mathematical competencies between evident (Gill et al., 2010) Investigation in changes in competencies between by Leaving Certificate grade(Faulkner et al., 2010)
Mean diagnostic test score (expressed as a percentage of correct answers out of 40 questions) from 1998 to 2008 for all students with grades HC1, OA1, OA2, OB1 and OB3(Faulkner et al 2010).
Whole Cohort Year % doing HL237 (46.7%) 239 (35.3%) % doing OL266 (52.5%) 381 (56.3%) Non Standard students 4 (0.8%) 57 (8.4%) Total507 (100%) 677 (100%)
To use information on students within the database such as gender, Leaving Certificate points, diagnostic test result etc. to build a predictive model of success/failure
Science maths 1 Mean CAO maths points Statistically significant associations were found between success/failure in Science maths 1 and - CAO maths points - Leaving Certificate Level and Grade - Mean Diagnostic Test results - Students who sat the diagnostic test/did not sit the Diagnostic test
Technology maths 1 Mean CAO maths points Statistically significant associations were found between success/failure in Technology maths 1 and: - CAO maths points - Leaving Certificate Level and Grade - Diagnostic Test result - Students who sat the diagnostic test/did not sit the Diagnostic test
Discriminant Function Analysis Why use Discriminant Analysis? It is common practice to use discriminant analysis where there are just two populations The discriminant function analysis can act as a tool for classifying future students The nature of discriminant analysis i.e. its ability to determine what variables have a relationship with performance and categorise students accordingly is of great benefit to the design, implementation and evaluation of any educational program/policy (Thomas et al 1996)
Dataset 1. The Technological Z = 0.059(Leaving Cert. Maths Points) (Diagnostic Test Result) where C= 4.3 Z ≥4.3 classified as a success Z ≤ 4.3 classified as a failure.
Function’s ability to predict failure in 2009 Science and Technology cohorts? TechnologyScience % of correctly classified success cases 66.2%60.3% % of correctly classified failure cases 83.2%78.0% Overall69.7%62.9%
Technological Discriminant Function will be used to identify the at risk students entering UL in the academic year 2010/11
Profiling at risk students between Ordinary Level Leaving Certificate mathematics grade Identified as at risk by the diagnostic test or Have not sat the diagnostic test
Predicting failure in service mathematics Discriminant Analysis Technology function: Z = 0.059(Leaving Cert. Maths Points) (Diagnostic Test Result) where C= 4.3
The discriminant function produced in this phase of the research will allow for The identification of at risk students in the academic year 2010/11 in the first week of term The design of a targeted intervention strategy for the identified at risk students