Analysis of strengths and weaknesses in current research in science education

Research in science education has promise when it is relevant, is adequately conceptualized, and has sound methodology.     

Lived Body Knowledge: Disciplinary Knowledge for Preservice Physical Education Teachers

The American Kinesiology Association has constructed an undergraduate core for degree programs that reside in kinesiology-based academic units. Since many Physical Education Teacher Education programs are housed in such units, there is a need to prioritize the areas of the undergraduate core, particularly the place of the scientific dimensions of physical activity and the practice of physical activity, in Physical Education Teacher Education curricula. Maurice Merleau-Ponty’s philosophy of the lived body is employed to (a) challenge the predominant inclusion of the scientific dimensions of physical activity in teacher preparation curricula and (b) suggest that preservice physical education teachers need “lived body knowledge” of the subject matter to teach physical education. Lived body knowledge is skillful and meaningful engagement in dance, exercise, games, play, and/or sport. It is then argued that the practice of physical activity deserves a significant presence in Physical Education Teacher Education curricula.     

Teaching to the Test…or Testing to Teach: Exams Requiring Higher Order Thinking Skills Encourage Greater Conceptual Understanding

In order to test the effect of exam-question level on fostering student conceptual understanding, low-level and high-level quizzes and exams were administered in two sections of an introductory biology course. Each section was taught in a high-level inquiry based style but was assigned either low-level questions (memory oriented) on the quizzes and exams, or high-level questions (application, evaluation, and analysis) on the quizzes and exams for the entirety of the semester. A final exam consisting of 20 low-level and 21 high-level questions was given to both sections. We considered several theoretical perspectives based on testing effect, test expectancy, and transfer-appropriate processing literature as well as the theoretical underpinnings of Bloom’s taxonomy. Reasoning from these theoretical perspectives, we predicted that high-level exams would encourage not only deeper processing of the information by students in preparation for the exam but also better memory for the core information (learned in the service of preparing for high-level questions). Results confirmed this prediction, with students in the high-level exam condition demonstrating higher performance on both the low-level final-exam items and the high-level final exam items. This pattern suggests that students who are tested throughout the semester with high-level questions acquire deep conceptual understanding of the material and better memory for the course information, and lends support to the proposed hierarchical nature of Bloom’s taxonomy.     

A comparison of men's and women's strength to body mass ratio and varus/valgus knee angle during jump landings

The purpose of this investigation was to compare valgus/varus knee angles during various jumps and lower body strength between males and females relative to body mass. Seventeen recreationally active females (age: 21.94 ± 2.59 years; height: 1.67 ± 0.05 m; mass: 64.42 ± 8.39 kg; percent body fat: 26.89 ± 6.26%; squat one-repetition maximum: 66.18 ± 19.47 kg; squat to body mass ratio: 1.03 ± 0.28) and 13 recreationally active males (age: 21.69 ± 1.65 years; height: 1.77 ± 0.07 m; mass: 72.39 ± 9.23 kg; percent body fat: 13.15 ± 5.18%; squat one-repetition maximum: 115.77 ± 30.40 kg; squat to body mass ratio: 1.59 ± 0.31) performed a one-repetition maximum in the squat and three of each of the following jumps: countermovement jump, 30 cm drop jump, 45 cm drop jump, and 60 cm drop jump. Knee angles were analysed using videography and body composition was analysed by dual-energy X-ray absorptiometry to allow for squat to body mass ratio and squat to fat free mass ratio to be calculated. Significant differences (P ≤ 0.05) were found between male and female one-repetition maximum, male and female squat to body mass ratio, and male and female squat to fat free mass ratio. Significant differences were found between male and female varus/valgus knee positions during maximum flexion of the right and left leg in the countermovement jump, drop jump from 30 cm, drop jump from 45 cm, and drop jump from 60 cm. Correlations between varus/valgus knee angles and squat to body mass ratio for all jumps displayed moderate, non-significant relationships (countermovement jump: r = 0.445; drop jump from 30 cm: r = 0.448; drop jump from 45 cm: r = 0.449; drop jump from 60 cm: r = 0.439). In conclusion, males and females have significantly different lower body strength and varus/valgus knee position when landing from jumps.     

A qualitative study of computers and printouts in the classroom

This qualitative inquiry into using microcomputers to access an on-line electronic encyclopedia revealed the salient issues for eighth-graders in using computer technology and what they valued in their videotex experience. Assigned to gather information both electronically and from traditional library materials to write a science theme, students with no prior computer experience exhibited very little technological apprehension. Nearly all the students preferred electronic search by computer to print search in books and periodicals. Underlying student reports appeared to be the perception that using a computer relieved them from the process of note-taking and some editing judgments that using print materials would require. Overall, middle-school students in this situation readily accommodate computers and videotex within their ongoing school context but assigned the new technology greater value than traditional learning media.     

Temperament,tympanum, and temperature: four provisional studies of the biobehavioral correlates of tympanic membrane temperature asymmetries

Previous research in both humans and nonhuman primates suggests that subtle asymmetries in tympanic membrane (TM) temperatures may be related to aspects of cognition and socioaffective behavior. Such associations could plausibly reflect lateralities in cerebral blood flow that support side-to-side differences in regional cortical activation. Asymmetries in activation of the left and right frontal cortex, for example, are correlates of temperamental differences in child behavior and markers of risk status for affective and anxiety disorders. Tympanic membrane temperatures might thus reflect the neural asymmetries that subserve individual differences in temperament and behavior. This report merged findings from four geographically and demographically distinctive studies, which utilized identical thermometry methods to examine associations between TM temperature asymmetries and biobehavioral attributes of 4- to 8-year-old children (N = 468). The four studies produced shared patterns of associations that linked TM temperature lateralities to individual differences in behavior and socioaffective difficulties. Warmer left TMs were associated with "surgent," affectively positive behaviors, whereas warmer right TMs were related to problematic, affectively negative behaviors. Taken together, these findings suggest that asymmetries in TM temperatures could be associated with behavior problems that signal risk for developmental psychopathology.     

Systems Thinking and Ecosystemic Psychology

This paper outlines the systems aspects of ecosystemic psychology. The terms ‘system’ and ‘systemic’ have a wide range of meanings and the main purpose of the present paper is to clarify the way in which these terms are used in ecosystemics. A general review of systems theory is provided in order to identify those issues which are relevant to the present discussion. The paper shows that, although social constructionist views are relevant, hermeneu‐tic considerations are far more important in ecosystemic psychology.