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The purpose of this paper is to reexamine exploration-exploitation’s reciprocality in organizational ambidexterity (OA) research. OA figures prominently in a variety of organization science phenomena. Introduced as a two-stage model for innovation, theory specifies reciprocal reinforcement between the OA processes of exploration (eR) and exploitation (eT). In this study, the authors argue that previous analyses of OA necessarily neglect this reciprocality in favor of conceptualizations that conform to common statistical techniques.

The authors propose joint-variance (JV) as a soluble estimator of exploration–exploitation (eR-eT) reciprocality. An updated systematic literature synthesis yielded K = 50 studies (53 independent samples, N = 11,743) for further testing.

Three primary findings are as follows: JV reduced negative confounding, explaining 45 per cent of between-study variance. JV quantified the positive confounding in separate meta-analytic estimates of eR and eT on performance because of double-counting (37.6 per cent), and substantive application of JV to hypothesis testing supported OA theoretical predictions.

The authors discuss practical consideration for eR-eT reciprocality, as well as theoretical contributions for cohering the OA empirical literature.

The authors discuss design limitations and JV measurement extensions for the future.

Learning in OA literature has been neglected or underestimated.

Because reciprocality is theorized, yet absent in current models, existing results represent confounded or biased evidence of the OA’s effect on firm performance. Subsequently, the authors propose JV as a soluble estimator of eR-eT learning modes.

The following classified, annotated list of titles is intended to provide reference librarians with a current checklist of new reference books, and is designed to supplement the RSR review column, “Recent Reference Books,” by Frances Neel Cheney. “Reference Books in Print” includes all additional books received prior to the inclusion deadline established for this issue. Appearance in this column does not preclude a later review in RSR. Publishers are urged to send a copy of all new reference books directly to RSR as soon as published, for immediate listing in “Reference Books in Print.” Reference books with imprints older than two years will not be included (with the exception of current reprints or older books newly acquired for distribution by another publisher). The column shall also occasionally include library science or other library related publications of other than a reference character.

The Corporation of the City of London are about to appoint a Public Analyst, and by advertisement have invited applications for the post. It is obviously desirable that the person appointed to this office should not only possess the usual professional qualifications, but that he should be a scientific man of high standing and of good repute, whose name would afford a guarantee of thoroughness and reliability in regard to the work entrusted to him, and whose opinion would carry weight and command respect. Far from being of a nature to attract a man of this stamp, the terms and conditions attaching to the office as set forth in the advertisement above referred to are such that no self‐respecting member of the analytical profession, and most certainly no leading member of it, could possibly accept them. It is simply pitiable that the Corporation of the City of London should offer terms, and make conditions in connection with them, which no scientific analyst could agree to without disgracing himself and degrading his profession. The offer of such terms, in fact, amounts to a gross insult to the whole body of members of that profession, and is excusable only—if excusable at all—on the score of utter ignorance as to the character of the work required to be done, and as to the nature of the qualifications and attainments of the scientific experts who are called upon to do it. In the analytical profession, as in every other profession, there are men who, under the pressure of necessity, are compelled to accept almost any remuneration that they can get, and several of these poorer, and therefore weaker, brethren will, of course, become candidates for the City appointment.

WE are pleased to devote this Special Number of THE LIBRARY WORLD to a discussion of Irish libraries and librarianship. Our contributors are all distinguished members of the profession in Ireland, none more so than Dermot Foley, to whom we are greatly indebted for having convened this issue.

The food standards of the Indiana State Board of Health, which appear on another page, show that it is quite possible to lay down official definitions of various articles of food; and a study of these regulations may be of assistance to those authorities who are striving to arrive at some form of order out of the chaos which at present exists in this country in matters relating to food standards. With reference to milk, it will be seen that not only is the question of composition dealt with, but strict directions are given that milk derived from a cow which can in any way be considered as diseased is regarded as impure, and must therefore, says the Board, be considered as adulterated. In regard to butter and margarine, limits are given for the total amount of fat—which must consist entirely of milk‐fat in the case of the former substance—water, and salt; and not only are all preservatives forbidden, but the colouring matters are restricted, only certain vegetable colouring matters and some few coal‐tar colours being permitted. All cheese containing less than 10 per cent, of fat derived from milk must be plainly labelled as “ skim‐milk cheese”; and if it contains fat other than milk‐fat, it must be described as “ filled cheese.” Some exception is taken to the use of preservatives in cheese, inasmuch as it appears that cheese may contain a preservative if the name of such preservative is duly notified upon the label ; and the rules for the colouring of cheese are the same as those which apply to butter and margarine. All articles of food containing preservatives are considered as adulterated unless the package bears a label, printed in plain type and quite visible to the purchaser, stating that a preservative is present, and also giving the name of the preservative which has been used. Articles of confectionery must not contain any ingredient deleterious to health, such as terra alba, barytes, talc, or other mineral substance, nor may they contain poisonous colours or flavours.

This chapter explores strategies for engaging students in the first year of university study. It draws on a national study of the first year experience in Australia and proposes a model of student engagement, highlighting the multi-faceted nature of the construct. A holistic student life cycle approach to student engagement is proposed as the basis for transforming learning experiences in the first year of university study. This approach includes consideration of the role played by pre-arrival engagement opportunities, the importance of engagement with institutional cultures, practices and communities, along with engagement with disciplinary contexts and cultures. A whole-of-institution approach to student engagement is argued, along with the importance of focussing on shared responsibilities for learning.