introductionsoftware, development, industry, constantly, evolving, software, looking, process, improvement, decades, systematic, mapping, suggests, diverse, topics, success, factors, trends, employing, agility, ment, standards, com, plying, oftentimes, requires, resources, abundance, tackle, issues, agile, approaches, grown, introduction, approach, problemstatementspi, research, researched, although, practices, relate, thesis, address, methodologies, objective, provide, context, methods, con, text, evidence, using, reported, contextthis, comprehensive, related, referenced, main, results, constant, publication, published, lack, specific, models, theories, clustered, concerns, subset, starting, analyse, topic, detailed, conducting, re, classified, ceived, zip, containing, pdf, excel, spreadsheet, validity, classification, pers, revisited, reanalysed, final, involved, analysis, conducted, previous, ic, ini, tial, develop, update, strategy, enhanced, changed, procedure, data, collection, improved, comprises, ly, picked, completing, based, complex, applying, inclusion, exclusion, criteria, voting, integration, dataset, instance, included, selected, keyword, abstract, explicit, assessments, etc, excluded, english, computer, science, occurred, available, download, population, special, focus, publications, relevant, solution, proposal, opinion, evaluation, techniques, addressed, predefined, elements, extent, vali, dated, evaluated, ed, literature, designed, survey, rele, vant, whether, talked, amongst, professionals, indus, researchdesignthe, divided, involves, validating, interviewing, influenced, validate, findings, outcomes, contribute, input, indication, current, liter, ature, interviews, explained, section, methodologythe, instrument, insight, opposed, broader, scope, involve, statistics, distribution, depth, dissemination, aimed, pointing, future, deliver, insights, confirming, denying, initial, guidelines, proposed, petersen, et, al, insightful, described, kitchenham, charters, selection, particular, subsets, advantage, presented, provides, comparability, sub, referred, identifying, evaluating, interpreting, area, phenomenon, interest, doing, existing, knowledge, duplicating, encapsulating, concerning, technology, method, finding, locate, missing, extensive, providing, problem, empirical, showing, hypothesis, proposals, cre, eval, uation, engineering, instru, originates, medical, instruments, domain, experts, textbooks, describing, principles, assessing, primary, indi, vidual, defining, extracted, maintaining, cluded, individual, usage, analysed, meta, attribute, assignation, mainly, per, formed, possibility, includes, objectives, addressing, filter, additionally, searched, academic, retrieved, include, digital, google, description, http, dl, acm, org, https, link, springer, www, sciencedirect, scholar, duplicate, relation, references, thinking, rigor, relevance, quantifiable, scoring, applied, ivarsson, gorschek, summa, argue, traditional, impact, citations, necessarily, industrial, underlying, overview, example, via, aspects, product, limits, propose, evaluate, descriptions, argued, transferable, reality, increase, realism, consider, evalu, ation, considers, application, reference, environment, refer, carrying, substantial, transferability, instances, span, practitioners, suitability, moreover, evalua, tion, model, classify, uations, characterize, applicable, types, evaluations, consists, rating, quantified, precision, refers, actual, adequately, irrelevant, rigorous, repli, cability, design, artificial, influence, motivation, similar, discussed, medi, um, aspect, uncover, mention, dont, sufficiently, designs, proposing, framework, practice, probably, setup, intended, users, according, original, ers, counted, roughly, quantify, scor, ing, system, clarifications, lined, outlining, contributes, replicability, oth, appendix, motivations, rea, mode, understandably, thoroughly, compared, tioned, anoth, er, comparable, de, scribed, replicable, including, measured, variables, sampling, trols, vague, easily, threats, thor, oughly, discussion, validi, ty, technolo, gy, profes, sional, searchers, students, mentioned, pro, posal, la, boratory, realistic, contributing, partially, situa, tions, exploratory, action, consid, situations, conceptual, experiment, performed, whereas, vance, potential, academia, noted, type, facet, wieringa, class, purpose, basis, nature, content, developed, cycle, non, sequential, investigation, validation, implementation, implementa, activities, classi, fications, activates, activi, kuhrmann, suggest, facets, investigate, technique, demonstrat, claim, soundness, novelty, argumentation, significant, completely, novel, proof, concept, argument, convincing, clearly, ex, plained, wider, competitors, philosophical, perspective, originality, insightfulness, opinions, provokes, surprising, stated, experience, emphasise, personal, ana, lyse, aforementioned, categories, 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backgroundthis, integral, necessary, especially, evolve, overtime, paragraph, focuses, agilemethodsthe, official, formally, doc, ument, called, manifesto, individuals, interactions, processes, working, documentation, collaboration, contract, negotiation, responding, prominence, mid, alternative, evident, needed, responsive, started, appearing, obvious, flexi, ble, developing, perceived, windedness, structured, pressure, adoption, rapid, spiral, lifecycle, reduces, errors, prone, iterations, meaning, function, ality, iteration, specifi, cation, project, explore, business, areas, result, detail, conventional, waterfall, encouraged, avoided, successfully, environments, defined, agreed, practicing, ability, decisions, approval, senior, essential, viability, testing, reversibility, lightweight, orientated, incremental, adaptable, require, ments, readiness, respond, continuously, delivering, adaptive, crystal, dynamic, systems, feature, contributors, responsible, common, emphasize, clude, para, graphs, briefly, introduced, analy, sis, rugby, britain, managing, essence, iterative, management, produce, compa, nies, defines, sprints, functionality, tested, implemented, sprint, turned, shippable, planning, collaborate, progress, neces, sary, handled, pulling, user, backlog, features, boxed, timeframes, roles, devel, opment, role, manag, partici, adhere, maintains, prioritises, stakeholders, inten, retrospective, organised, encourages, revise, effective, proach, concentrates, emphasises, relatively, schedule, tightly, focused, somewhat, proaches, developers, gramming, reviewing, code, releasing, frequently, im, plementation, contact, leansd, manufacturing, reducing, plied, eliminate, amplify, learning, empower, integrity, similarly, breaking, deliverables, organising, creating, naming, workflow, causes, delays, visually, limited, capacity, limit, pushing, softwareprocessimprovement, initiative, define, actions, meth, ods, status, velopment, vision, required, establish, accomplish, commit, organise, capa, bilities, capability, maturity, determination, core, sist, assessed, compliance, indicated, addition, driving, metric, deployment, paradigms, quality, paradigm, initiating, diag, nosing, establishing, acting, organisational, cmmiinstitute, iso, standard, html, concentrate, released, century, intro, duction, fundamental, adapt, universal, repeatable, predictability, flexible, faster, increased, custom, satisfaction, responsiveness, relies, document, transfer, communication, discrepancies, highlighted, immediate, initiatives, combining, shown, abstraction, analysisandfindingsthis, studypopulationthe, attrib, utes, achieve, tal, folder, querying, databases, spanish, frequency, discuss, biggest, respectively, release, regarding, aoyama, scribes, concurrent, japan, dividing, smaller, fixed, interval, delivery, construction, nowadays, producing, output, site, odologies, average, higher, confirm, wavy, na, ture, depicts, expe, rience, researches, les, artifi, cial, concluded, secondary, total, distributed, arti, cles, frameworks, suggesting, dustry, waiting, summary, indicate, evenly, balanced, adapted, dis, torted, indicates, highest, reporting, usually, apply, spec, trum, whatsoever, phil, osophical, directly, tend, appropriate, agilemethodsandpracticesinspithe, explicitly, regards, remaining, overwhelming, dominance, prevalent, mentions, utilised, resulting, misleading, concern, extending, throughout, significantly, stayed, sug, gesting, popularity, populated, fetching, generalisations, observed, fallen, ics, gained, removed, prior, reduced, wording, production, programmed, volunteer, organizing, dedicated, co, located, workspace, retrospectives, integrating, intensified, hindered, closely, ware, brief, empirically, solutions, reduce, risks, adding, velocity, measuring, assurance, adherence, within, itera, tive, estimation, maturing, ratioci, nate, proved, difficult, tice, assess, therefore, conversation, observation, extentofevidenceofusingagilemethodsinspithe, professional, assessment, automotive, smes, irish, staff, recommended, mixture, adopted, includ, continuous, experiences, unit, improving, daimler, chrysler, au, tomotive, daim, ler, spreading, units, transition, effects, ject, norwegian, conclude, defects, velopers, stress, lower, defect, density, resolve, fixing, efficiency, ericsson, italy, fragment, reposi, tory, repository, information, releases, unclear, successful, finnish, centre, electronics, showcase, regular, improvements, workshops, alt, hough, negative, positive, decreased, workshop, visibility, creased, refactoring, commenting, effort, longitudinal, garding, passed, egyptian, increment, chunk, worked, sustained, morale, disconfirms, obtained, lifecy, cle, radiator, implementing, tioning, mexico, strengthen, augmentation, support, pilot, familiarise, realised, suitable, resulted, developer, duration, prod, uct, perfectly, tailored, generating, busi, ness, ranging, nokia, participated, challenge, irreversible, wanted, risk, programs, guiding, cor, poration, validationoffindingsinindustryin, estonian, conductingthesurveythe, questionnaire, contains, integrate, tinuous, ve, locity, generalizable, varying, targeted, answered, response, couple, gathering, acquaintances, asked, maximise, approached, operating, estonia, transferwise, mooncascade, pipedrive, veriff, taxify, codeborne, voicecom, swer, multiple, statements, likert, resultsofthesurveyduring, opportunity, anonymous, gathered, period, panies, responded, spectre, employees, substantive, spondents, considered, meaningful, decided, understandable, planation, across, exam, ple, corresponding, surveyed, interestingly, organisations, depict, cesses, pattern, products, feasible, pany, organisingteamsburndownchartssprintreviewmeetingretrospectivesreleaseplanninguserstoriesco, locatedteamsustainablepacevelocitymeasuringon, sitecustomercodingstandardstest, 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domi, nant, minority, signifi, cantly, lowered, entirely, happened, lifespan, capabilities, experimenting, kan, ban, contributed, bias, expensive, employ, corre, spond, earlier, threatstovalidityin, exper, iment, biased, implies, failed, experiments, ef, fect, drawn, positively, distorted, incompleteness, ducted, queries, internal, classifying, interpretation, researchers, subjective, deciding, threat, followed, pose, external, generalise, array, despite, inherits, limitations, categorisation, corrected, understanding, supervisor, differently, technical, ques, conclusionsthe, remained, lysed, touched, corporations, icsson, affected, updated, generalisability, repeated, trustworthy