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Instructional Practice and Student Outcomes by Sherri DeBoef Chandler New Mexico Evaluation and Assessment Conference (2008). Assessment Focus Theoretical Foundation Methodology & Statistical Analyses Assessment Findings Recommendations References. purpose of assessment. ✦ to discern
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Instructional Practice and Student Outcomesby Sherri DeBoef ChandlerNew Mexico Evaluation and Assessment Conference (2008) Assessment Focus Theoretical Foundation Methodology & Statistical Analyses Assessment Findings Recommendations References
purpose of assessment ✦ to discern if instruction is meeting/exceeding standards of objectives. (Banta, 2004; Breakwell, Hammond & Fife-Shaw, 2002; Burke & Minassians, 2004) ✦ to ask: “Is what we are doing working? How do we know? What changes do we need to make?” (Rouseff-Baker & Holm, 2004, pp. 30-41)
sample(of students & of instructional outcomes) ✦ a two-year college, ✦an introductory social science course, ✦ criterion-referenced courses, ✦ multiple sections w/ full-time instructors, ✦ fifteen courses each group (30 sections), ✦ 9 a. m. – 3 p. m. sections only, ✦ over three year period, ✦ collected data from 3-6 years previous
student outcomes Figure 1. Student outcomes of 60 sections, over 5 years (N = 1820), w/ sample of 30 sections, over 3 years (N = 900) .
instructional practice variables Classroom goal structure Frequency of feedback ✔ Grading practices ✔ Instruction aligned w/ assessment Instructional efficacy Multiple instructional modalities Multiple assessment modalities Work pace ✔ Other (?) (Bain, 2004; Barefoot & Gardner, 2005;McKeachie, 2002; Pascarella & Terenzini, 2005)
student feedback considerations Identify the goal, practice incremental parts, view feedback, adapt strategies to reach the goal. Feedback needs to be: ✦ based upon standards of competency, (determined collaboratively) ✦ optimistic, ✦ accurate and specific, ✦ frequent. (Brookhart, 1994; Marzano, Pickering & Pollack, 2001; Rinaldo, 2005)
grading practices Course grading practices ✦criterion-referenced: based upon a predetermined point scale aligned with the achievement of competencies, also called standards-referenced or absolute; ✦norm-referenced: derived from ranking the performance of students, increases competition between students, decreases students ability to adapt performance, also known as grading on the curve or relative grading. (Dougherty, Hilberg & Epaloose, 2002; Popham, 2005; Stiggins, 2005; Walvoord & Johnson Anderson, 1998)
syllabi comparisons Table 1: Work pace by instructional groups (N= 2 instructional groups, 826 students).
Figure 2. Performance including attrition by course work pace. (Addison, Best & Warrington, 2006; Johnston & Kristovich, 2000; Marsh & Roche, 2000) too challenge optimal too challenge
work pace theory Overloaded students report ✦ few feelings of success, ✦ feel forced to accept less in terms of their learning to manage the quantity of material (Greenwald & Gillmore, 1997; Kember, 2004) Courses with either too or challenge ✦ leave students frustrated with ✦ lack of understanding of course content (Harrison, Ryan, Moore, 1996, p. 780)
student evaluation of instruction (SEI) Figure 3. Student learning and performance correlations. (Abrami & D’Appolonia, 1999; Marsh, 1998; Scriven, 1995; Seiler & Seiler, 2002)
course work pace ✦American textbooks cover many more topics than European or Asian texts. ✦ Instructors incorporating comprehensive text content, result in courses where instruction is “shallow and too brief”. ✦ Characteristics of courses that prompt a surface approach to learning include an excessive amount of course material [with the concomitant lack of] opportunity to pursue the subject in depth”. (Andreoli-Mathie, et al., 2002, p. 202; Bracey, 2006, p. 135; Upcraft et al., 2005, p. 248; Wiggins, 1998)
study methodology Practitioner research has been characterized as having the capacity to get at: ✦ underlying meaning for individuals, ✦ documents and settings, ✦ w/ the expectation of building theory, ✦ & promoting needed reforms. (Boggs, 1999; Lundenberg & Ornstein 2004; Rinaldo, 2005; Valsa, 2005; Zeichner & Noffke, 2001)
✦ This study examined ex post facto data, precluding random assignment of participants. The sample size, over three-years undermines potentially confounding variables (such as SES), that are likely to be spread throughout the population. A larger sample size reduces the potential that confounding variables will become entangled with learning outcomes (Davis & Hillman Murrell, 1993, p. 23). ✦ Multiple data collection points included triangulation of different kinds of records over time (achievement test scores, student grades, course syllabi) to offset the possibility of idiosyncratic data misrepresented as typical data (Lincoln & Guba, 1985).
Multiple Regression Correlation (MRC) ✦Unequal groups (number of students in each course / group). ✦Data that is nominal / ordinal (variables consist of nominal & ordinal data). ✦Developed specifically to deal with dichotomous, dependant variables. ✦F-ratio statistic used for significance testingfor non-curvilinear data. (Gillespie & Noble, 1992; Keppel, 1991; McMillan & Wergin, 2007)
Figure 6. Student performance and attrition by instructional groups (N = 900). student rated quality 2.1 student rated quality 4.8
✦MRC was chosen because multiple instructional & student characteristics could potentially exert a combined influence on the relationship between the instructional & student predictor variables.✦ MRC is robust concerning the violation of the normal distribution requirement as long as variables are independent. ✦ Inspection of scatterplots & histograms indicated no violation of the required assumptions. (Keppel, Saufley & Tokunaga, 1992; Morgan, Gliner & Harmon, 2001)
✦ The assumptions of MRC (including linearity, independent observations, normally distributed sample w/ few outliers, adequate sample size, etc.) were met for this analysis. ✦The F statistic was utilized to determine if relationships significant (insensitive to violations of assumptions of normality & homogeneity of variances). (Bordons & Abbott, 2005, pp. 427 – 431; Kepler & Zedeck, 1989)
Table 2. Multiple regression of performance by work pace groups (N =826). Step 1 (sex) r = .141, r² = .020; Step 2 (ability) r = .158, r² = .025, r²= .005; Step 3 (work pace) r = .521, r² =.271,r² = .246. * p .05; ** p < .001.
discussion of findings F ( ) equation ✦Performance (including attrition) rates were associated with work pace requirements in courses with criterion- referenced grading practices with a large effect size (r = .521,p .001). ✦The variables of student sex and student ability did NOT emerge as significant predictors either independently or interactively for student performance including attrition outcomes. ✦Course work pace accounted for 24% of the variation in student performance including attrition (leaving 76% of the variability in student outcomes unaccounted for in this study).
recommendations ✦ Examining the distribution of student outcomes by course and instructor may reveal more about instructional practices and student outcomes in educational contexts than the analyses of aggregate course and program data. ✦This study points to the necessity of identifying course work pace and type of course grading methods and including these instructional practices as predictor variables for any meaningful assessment of student outcomes.
standardization ✦Faculty must work together to standardize course competencies across sections, grades need to be aligned with levels of course competencies in alignment with outstanding universities in their geographical area. (Darling Hammond, 2000, Friedlander & Serban, 2004; Popham, 2005) ✦ Course standardization is necessary for any comparison of student outcomes across course sections that can be used to establish benchmarks & set enrollment, performance, & retention goals. (Alsete, 1995; Bryant, 2001; Townsend & Dougherty, 2006; Walvoord, 2004)
* explanation for different totals Population of four full-time instructors, across 5 years, 15 courses each (total 60 courses) With student drops and “retakes” present: N = 1820 Student retakes are those students with D, F, W who “retake” the course, sometimes the same student 2-5 times. Each student maintained in the sample only the initial time in the data set. Total sample of two instructors, across 3 years, 15 courses each With drops and retakes: N = 920 Without drops or retakes: N = 836 (no sex or ability scores available for student drops) Note: more students chose to retake the course in the X instructional group and were removed further reducing the enrollment gap between the two groups.
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