Bianca Kramer and Jeroen Bosman
In academia, assessment is often narrow in its focus on research productivity, its application of a limited number of standardised metrics and its summative approach aimed at…
Abstract
In academia, assessment is often narrow in its focus on research productivity, its application of a limited number of standardised metrics and its summative approach aimed at selection. This approach, corresponding to an exclusive, subject-oriented concept of talent management, can be thought of as at odds with a broader view of the role of academic institutions as accelerating and improving science and scholarship and its societal impact. In recent years, open science practices as well as research integrity issues have increased awareness of the need for a more inclusive approach to assessment and talent management in academia, broadening assessment to reward the full spectrum of academic activities and, within that spectrum, deepening assessment by critically reflecting on the processes and indicators involved (both qualitative and quantitative). In terms of talent management, this would mean a move from research-focused assessment to assessment including all academic activities (including education, professional performance and leadership), a shift from focus on the individual to a focus on collaboration in teams (recognising contributions of both academic and support staff), increased attention for formative assessment and greater agency for those being evaluated, as well as around the data, tools and platforms used in assessment. Together, this represents a more inclusive, subject-oriented approach to talent management. Implementation of such changes requires involvement from university management, human resource management and academic and support staff at all career levels, and universities would benefit from participation in mutual learning initiatives currently taking shape in various regions of the world.
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ONE of the primary considerations in the design of high performance aircraft is the attainment of a high power/weight ratio for the unloaded machine, while at the same time…
Abstract
ONE of the primary considerations in the design of high performance aircraft is the attainment of a high power/weight ratio for the unloaded machine, while at the same time ensuring complete reliability under the most exacting service conditions.
THE force couples, including moments due to inertia masses, which acting at different points on a crankshaft cause an elastic distortion, as a result of which points disposed in…
Abstract
THE force couples, including moments due to inertia masses, which acting at different points on a crankshaft cause an elastic distortion, as a result of which points disposed in the axial plane are subject to an angular displacement in relation to one another in the form of a phase advance and retard movement, and it follows that each will possess a different degree of cyclic variation.
Fig. 2 shows a blade carried by a head of the kind described in Specification. 435,818. The root of the blade comprises a steel tube 32 provided with a fairing 33, Fig. 3, which…
Abstract
Fig. 2 shows a blade carried by a head of the kind described in Specification. 435,818. The root of the blade comprises a steel tube 32 provided with a fairing 33, Fig. 3, which is a sliding fit over supporting arm 30 and is rotatable to vary the blade pitch. The outer end of tube 32 is secured to blade spar proper 34. The blade is anchored to the hub by a torsionally resilient tie rod 35 screwed at its outer end into spar 34 and secured by a nut and tapered collet device 36. At the inner end rod 35 is secured into arm 30 and secured by a screwed plug and taper pin assembly 37. The blade is of lancet shape and is arranged so that axis B—B of the spar intersects the flapping and drag pivot axes and in the normal mean position of the blade intersects the axis of rotation at the mean centre of oscillation F of the blade pitch control gear. The masses and aerofoil sections of the blade are such that the centres of mass and mean centres of pressure of all the sections lie along axis B—B. The construction of the blade is such that the “ neutral torsional axis,” defined as the locus of points in the chord at which an applied vertical thrust produces equal degrees of flexure of the leading and trailing edges, is at or slightly in front of the axis B—B. In the latter case increase in lift tends to decrease the angle of incidence of the blade as is shown in Fig. 6 wherein C is the centre of pressure, L the lift force, and 0 the neutral torsional axis. In either arrangement aerofoil sections having a stable centre of pressure travel may be employed. In order to bring the neutral axis forward, the nose portion of the blade, in the case of hollow stressed‐skin construction, may be reinforced by additional layers of material or may comprise material having a higher modulus of elasticity than the remainder. In order to compensate the resulting forward movement of the centre of mass, a small amount of non‐structural mass may bo incorporated in the blade. In one form in which the neutral torsional axis is coincident with the B—B axis, the blade comprises a spar and an aerofoil‐shaped fairing of material of the synthetic resin or plastic group of which the modulus of elasticity is so much lower than that of the spar as not to relieve the latter appreciably of its loads. Fig. 7 shows the method of construction of such a blade comprising a steel spar having a moulded fairing. A first mould comprises upper and lower dies 1, 2 and an interposed core 3. Spar 4 is located by pegs 5 and by rows of spaced raised points 6, and is also fluted to key the moulding. Steel wires 8, 9 are strung in the spaces forming the leading and trailing edges. The blade is formed with a solid nose and with internal ribs 10 and webs 11, the latter being produced by slots formed in the upper side of core die 3. After moulding as shown, dies 2 and 3 are removed, pegs 5 cut off, countersunk, and plugged, Fig. 9, and a lower die 13 placed in position and heat applied to unite the lower skin to ribs 10 and to seal the trailing edge. A suitable plastic material is stated to be “ plastic glass.”
THIS Conference, the largest ever arranged on the subject of fatigue of metals, was sponsored by The Institution of Mechanical Engineers in co‐operation with The American Society…
Abstract
THIS Conference, the largest ever arranged on the subject of fatigue of metals, was sponsored by The Institution of Mechanical Engineers in co‐operation with The American Society of Mechanical Engineers. A follow‐up Conference of the A.S.M.E. was to be held in New York from November 28–30.
Under this heading are published regularly abstracts of all Reports and Memoranda of the Aeronautical Research Council, Reports and Technical Memoranda of the United States…
Abstract
Under this heading are published regularly abstracts of all Reports and Memoranda of the Aeronautical Research Council, Reports and Technical Memoranda of the United States National Advisory Committee for Aeronautics and publications of other similar Research Bodies as issued.
Some Notes on the Provision of Training for Young Recruits to Aircraft Maintenance Engineering.
This particular Mollier‐Chart has been constructed for investigations for increasing the power output of internal combustion engines and gas turbines by means of water injection…
Abstract
This particular Mollier‐Chart has been constructed for investigations for increasing the power output of internal combustion engines and gas turbines by means of water injection into the supercharger or compressor respectively. Since the chart may be useful for other similar problems a short description is given and an example illustrates its application.
A Survey of the Development of Creep‐resisting Alloys: N. P. Allen (Superintendent of the Metallurgy Division of the National Physical Laboratory, Teddington). Official summaries…
Abstract
A Survey of the Development of Creep‐resisting Alloys: N. P. Allen (Superintendent of the Metallurgy Division of the National Physical Laboratory, Teddington). Official summaries of the papers presented at the Symposium held by the Iron and Steel Institute at the Institution of Civil Engineers on February 21 and 22, 1951. The development of creep‐resisting alloys, both ferritic and austenitic, in the period between the two wars is briefly described, and a rather more detailed account is given of the general trend of the researches undertaken after 1939 in Great Britain, America, and Germany to provide improved materials for use in gas turbines. The properties of alloys that were relied upon in each country are described in terms of the stresses giving plastic deformations of the order of 0.1 per cent in 1,000 hr. (FIGS. 1, 2, 3).
Ikuko Aoyama, Terrill F. Saxon and Danielle D. Fearon
The purpose of this paper is to examine the relationship between cyberbullying victimization and internalizing problems among the youth. Moderator effects of a friendship quality…
Abstract
Purpose
The purpose of this paper is to examine the relationship between cyberbullying victimization and internalizing problems among the youth. Moderator effects of a friendship quality were also investigated to examine if higher friendship quality moderated the negative effects of cyberbullying on psychological states of students.
Design/methodology/approach
A total of 463 middle and high school students in Texas participated in an online survey. The frequency of cyberbullying victimization, the level of self‐esteem, depression, anxiety, stress, and the friendship quality were measured.
Findings
There was a statistically significant association between cyberbullying victimization and internalizing problems. This study supported the results of past studies by demonstrating the aversive nature of cyberbullying. However, a quality of friendship quality did not seem to moderate negative psychological effects of cyberbullying. The results indicate the complexity and difficulty of intervening with cyberbullying.
Research limitations/implications
No causality inferences can be made in a cross‐sectional study. Thus, future research should examine the duration of internalizing problems. It would also be helpful to include other moderators.
Practical implications
Although good peer relationships work as a buffer for traditional bullying, the association is not same for cyberbullying. Thus, an existing anti‐bullying program which includes a peer support system may not work for cyberbullying intervention.
Originality/value
Researchers identified the relationship between cyebrbullying victimization and psychological difficulties; however, not all victims suffer from psychological distress; thus, it is necessary to identify what moderates negative effects of cyberbullying. Although moderator effect between cyberbullying and internalizing problems has not been well researched yet, the findings may provide important information to enable the development of effective prevention/interventions.