Assessing practical laboratory skills in undergraduate molecular biology courses

This study explored a new strategy of assessing laboratory skills in a molecular biology course to improve: student effort in preparation for and participation in laboratory work; valid evaluation of learning outcomes; and students’ employment prospects through provision of evidence of their skills. Previously, assessment was based on written laboratory reports and examinations, not on the demonstration of practical skills per se. This action research project involved altering the assessment design so that a greater proportion of the marks was allocated to active participation and learning in the laboratory, partially replacing a single examination with direct observation of student participation and learning over a prolonged period of weekly laboratory sessions. We ascertained staff and students’ perceptions of the new assessment processes by means of a Likert scale questionnaire, student focus group and individual staff interviews. Overall, students and staff evaluated the new assessment structure positively, citing fairness, authenticity and reward for effort. Results also revealed the need for specific training of staff in this form of assessment and indicated staff–student ratios made assessment burdensome. Four out of five students reported that an increased awareness of the importance of practical laboratory skills stimulated them to greater efforts to achieve.     

Is undergraduate debt an impediment to postgraduate enrolment in England?

Changes to undergraduate student funding arrangements in England have prompted concerns that increased indebtedness will deter graduates from postgraduate study. While it is clear that student debt has increased substantially in recent years, international evidence is equivocal on whether such debt is a deterrent to further study and there is hardly any prior research on this topic in the UK context. Using a large‐scale survey of 2009 and 2012 graduates from six selective English universities, we investigate the association between undergraduate debt, other graduate characteristics and progression to postgraduate study. We find some association of higher debt levels with lower rates of progression to postgraduate study, although this reduces when controlling for other factors, such as degree‐level attainment and subject discipline. Within a multivariate logistic regression model predicting progression to postgraduate study we find that debt is not a statistically significant predictor, although other characteristics are important. This indicates, we suggest, that underlying financial resources, rather than debt per se, are critical in enabling access to postgraduate study. We consider the implications of recently announced loans for postgraduate study in England given these findings.     

Adult Perception of Emotion Intensity in Human Infant Cries: Effects of Infant Age and Cry Acoustics

The relation between adult perception of emotion intensity in the cries of 1- and 6-month-old infants and the acoustic characteristics of the cries was examined. In the first study, adults who were inexperienced in child care rated 40 cries on 3 emotion intensity scales: anger, fear, and distress. The cries of 6-month-olds were rated as being significantly more intense. Different acoustic variables accounted for emotion intensity ratings for the 2 infant ages. Peak amplitude and noisiness of the cry predicted adult judgments of intensity ratings of 1-month-olds' cries; a measure of amplitude ratio (in 2 frequency bands) was the best predictor of intensity ratings of 6-month-olds' cries. In the second study, parents of infants rated the same cries on the same scales. They also rated the older infants' cries as being more intense. The 2 adult groups did not differ on their ratings, and a regression equation derived from one adult group predicted the other adult group's rating of the same infant age better than it predicted its own ratings for the other infant age. Infant age, and its associated acoustic features, seems to be a more important determinant of adults' perception of emotion intensity than are such adult characteristics as gender or infant-care experience.     

Images of rate and operational understanding of the fundamental theorem of calculus

Conceptual analyses of Newton's use of the Fundamental Theorem of Calculus and of one 7th-grader's understanding of distance traveled while accelerating suggest that concepts of rate of change and infinitesimal change are central to understanding the Fundamental Theorem. Analyses of a teaching experiment with 19 senior and graduate mathematics students suggest that students' difficulties with the Theorem stem from impoverished concepts of rate of change and from poorly-developed and poorly coordinated images of functional covariation and multiplicatively-constructed quantities.Research reported in this paper was supported by National Science Foundation Grants No. MDR 89-50311 and 90-96275, and by a grant of equipment from Apple Computer, Inc., Office of External Research. Any conclusions or recommendations stated here are those of the author and do not necessarity reflect official positions of NSF or Apple Computer. Also, I wish to thank Paul Cobb and Guershon Harel for their helpful reactions to an earlier draft of this article.     

From the Field: Characteristics of Successful Tertiary Online Students and Strategies of Experienced Online Educators

Online learning, now a popular method of education at the tertiary level, creates new challenges for students and educators. Faculty members may know little about how to assist students in succeeding in this new learning environment, and students may be ill prepared to tackle the new demands put upon them. This research sought to identify dimensions of successful online learners by examining primary screening documents and mapping them to the literature base, and then invited experienced online educators to review the dimensions and provide strategies they use to ensure student success. Seven dimensions were identified and confirmed as significant, each dimension with slightly different importance, including access to tools; technology experience; learning preferences; study habits and skills; goals or purposes; lifestyle factors; and personal traits and characteristics. The experienced educators provided several online teaching strategies including students' posting biographies; frequent interaction; collaboration; required participation; question-asking forums; topical flexibility; and minimizing technology requirements.     

Visual and orthographic information in learning to read and the influence of phonics instruction

In the Jackson and Coltheart theory of acquisition of word reading it is claimed that, near the beginning of the partial alphabetic phase of development, children have full use of abstract letter units (ALUs). This claim and less exclusive alternatives were examined. In Experiment 1, normal progress children with on average 9 months of school reading instruction, either with or without explicit phonics, read with moderate accuracy (orthographically) familiar words in upper-case letters (e.g., AND) that are visually dissimilar from their lower-case forms. Lower-case forms were read with greater accuracy but only for familiar words, there being no letter-case effect for less familiar words. Children with explicit phonics showed less impairment in reading accuracy when words were presented in upper-case form than children without such phonics. Children with on average 22 months of instruction, in Experiment 2, read relatively unfamiliar words that required some phonological mediation. Those without explicit phonics instruction read words with digraphs in unfamiliar upper case less accurately than in lower case, while those with explicit phonics showed no such letter-case difference. The results supported the view that children do not have full use of ALUs in early alphabetic reading, both children with and without explicit phonics to some extent using letter identities specific to lower case for representation of familiar words.     

School psychology and issues of sexual orientation: Attitudes,beliefs, and knowledge

The purpose of this study was to investigate school psychologists' attitudes toward lesbians and gay males. Aspects of school psychologists' knowledge, beliefs, current practices, and levels of preparedness related to issues of sexual orientation were also explored. A sample of 288 school psychologists (215 females and 73 males, mean age = 44 years) who were members of NASP participated in this study. Participants completed research packets containing a hypothetical case analogue vignette and three questionnaires querying their attitudes, beliefs, and knowledge about issues of sexual orientation. The results indicated school psychologists endorse relatively positive attitudes toward lesbians and gay males, report low‐to‐moderate levels of knowledge about lesbian and gay male issues, are willing to address lesbian and gay male issues on the job, are generally aware of how such issues impact schools, and are inadequately prepared to deal with lesbian and gay male issues. These findings are discussed in relation to their impact on the field and the implications for graduate training. © 2004 Wiley Periodicals, Inc. Psychol Schs 41: 201–210, 2004.     

Practice Makes Practice: Learning to Teach in Teacher Education

In this article, we argue that teaching is and should be a central element to learning to teach, particularly as teacher education once again turns toward practice. From this perspective, we must elaborate how such a shift addresses the need to bridge the gap between knowledge for teaching and knowledge from teaching, between theory and practice, and among university courses and fieldwork. If the intent of such a shift is to fundamentally change the preparation of teachers, we argue that it requires teacher education programs to do more than increase the amount of time candidates spend in clinical field placements. It requires, we argue, that teacher educators engage in simultaneous innovation in three related, but distinct aspects of program design and implementation: organizational structures and policies, content and curriculum, and teacher education pedagogy. Without such dynamic engagement, the practice-turn will go the way of many past reforms in teacher education—it will be symbolic but not significant or meaningful.     

An Example of Large‐group Drama and Cross‐year Peer Assessment for Teaching Science in Higher Education

Undergraduate students pursuing a three‐year marine biology degree programme (n = 86) experienced a large‐group drama aimed at allowing them to explore how scientific research is funded and the associated links between science and society. In the drama, Year 1 students played the “general public” who decided which environmental research areas should be prioritised for funding, Year 2 students were the “scientists” who had to prepare research proposals which they hoped to get funded, and Year 3 students were the “research panel” who decided which proposals to fund with input from the priorities set by the “general public”. The drama, therefore, included an element of cross‐year peer assessment where Year 3 students evaluated the research proposals prepared by the Year 2 students. Questionnaires were distributed at the end of the activity to gather: (1) student perceptions on the cross‐year nature of the exercise, (2) the use of peer assessment, and (3) their overall views on the drama. The students valued the opportunity to interact with their peers from other years of the degree programme and most were comfortable with the use of cross‐year peer assessment. The majority of students felt that they had increased their knowledge of how research proposals are funded and the perceived benefits of the large‐group drama included increased critical thinking ability, confidence in presenting work to others, and enhanced communication skills. Only one student did not strongly advocate the use of this large‐group drama in subsequent years.