SWOT ANALYSIS: A MANAGEMENT TOOL FOR INITIATING NEW
PROGRAMS IN VOCATIONAL SCHOOLS
Radha Balamuralikrishna
and
John C. Dugger
Iowa State University
ABSTRACT
The
SWOT (Strengths, Weaknesses, Opportunities,
and Threats) analysis has been a useful tool for industry.
This article proposes the application of the SWOT tool for use as
a decision-making aid as new vocational programs are planned.
The process of
utilizing the SWOT approach requires an internal survey of
strengths and weaknesses of the program and an external survey of
threats and opportunities. Structured internal and external
examinations are unique in the world of curriculum planning and
development.
Educational
examples using the SWOT analysis are provided by the authors. It
is a useful way of examining current environmnetal conditions
around program offerings. An insight into the wide range of the
potential applications of SWOT is also an intended outcome of
this paper.
SWOT
ANALYSIS: A MANAGEMENT TOOL FOR INITIATING NEW PROGRAMS IN
VOCATIONAL SCHOOLS
The external
environment has a profound impact on educational institutions.
During this final decade of the twentieth century, America's
institutions, economy, society, political structures, and even
individual lifestyles are poised for new changes. Recent shifts
from an industrial to an information-based society and from a
manufacturing to a service-oriented economy has significantly
impacted the demands made on vocational program offerings (Martin,
1989).
Vocational programs in comprehensive schools generally cover a
broad spectrum of service areas, but they provide fewer overall
programs within each of these areas than are provided in either
vocational or specialty schools (Weber,
1989).
Existing programs, and those planned for the future irrespective
of the type of school, should be based on a careful consideration
of future trends in society.
Vocational
administrators should become initiators in shaping the future of
their institutions. Strategies must be developed to ensure that
institutions will be responsible to the needs of the people in
the year 2000 and beyond. To do so requires¾among other
things¾an examination of not only the individual college
environment but also the external environment (Brodhead,
1991).
The Strengths, Weaknesses, Opportunities,
and Threats (SWOT) analysis (also referred to as the TOWS
analysis in some management texts), provides a framework for
educational administrators to focus better on serving the needs
of their communities.
Although
originally intended for use in business applications, the idea of
using this tool in educational settings is not altogether new.
For example, Gorski
(1991)
suggested this approach to increase minority enrollment in
community and other regional colleges. Management tools
originally intended for industry can frequently be tailored for
application in education due to fundamental similarities in the
administrative duties of the respective chief executive officers.
SWOT is a
simple, easy to understand technique. It can be used in
formulating strategies and policies for the administrator,
however, it is by no means an end in itself. The purpose of this
paper is to demonstrate how SWOT can be used by administrators to
analyze and initiate new program offerings in vocational
education.
SWOT
IN THE PRESENT CONTEXT
SWOT analysis
can be simply understood as the examination of an organization's
internal strengths and weaknesses, and its environments,
opportunities, and threats. It is a general tool designed to be
used in the preliminary stages of decision-making and as a
precursor to strategic planning in various kinds of applications
(Johnson
et al., 1989;
Bartol
et al., 1991).
When correctly applied, it is possible for a vocational school to
get an overall picture of its present situation in relation to
its community, other colleges, and the industries its students
will enter. An understanding of the external factors, (comprised
of threats and opportunities), coupled with an internal
examination of strengths and weaknesses assists in forming a
vision of the future. Such foresight would translate to
initiating competent programs or replacing redundant, irrelevant
programs with innovative and relevant ones.
The first step
in a SWOT analysis is to make a worksheet by drawing a cross,
creating four sectors¾one each for strengths, weaknesses,
opportunities, and threats. An outline of a worksheet is shown in
Figure 1. The next step is to list specific items related to the
problem at hand, under the appropriate heading in the worksheet.
It is best to limit the list to 10 or fewer points per heading
and to avoid over-generalizations (Johnson
et al., 1989).
| Potential
Internal Strengths |
Potential
Internal Weaknesses |
| 1. |
1. |
| 2. |
2. |
| 3. |
3. |
| 4. |
4. |
| S |
W |
| O |
T |
| Potential
External Opportunities |
Potential
External Threats |
| 1. |
1. |
| 2. |
2. |
| 3. |
3. |
| 4. |
4. |
Figure
1. A SWOT worksheet
SWOTs can be
performed by the individual administrator or in groups. Group
techniques are particularly effective in providing structure,
objectivity, clarity and focus to discussions about strategy
which might otherwise tend to wander or else be strongly
influenced by politics and personalities (Glass,
1991).
Sabie
(1991)
noted that when working in groups in educational settings, three
distinct attitudes emerge among teachers depending on their years
of service. Teachers having 0-6 years of experience tend to be
the most participative and receptive to new ideas.
The SWOT should
cover all of the following areas, each of which may be a source
of strengths, weaknesses, opportunities or threats:
Internal
environment of the institution
1.
faculty and staff
2.
classrooms, laboratories and facilities (the learning
environment)
3.
current students
4.
operating budget
5.
various committees
6.
research programs
External
environment of the institution
1.
prospective employers of graduates
2.
parents and families of students
3.
competing colleges
4.
preparatory high schools
5.
population demographics
6.
funding agencies
THE INTERNAL
SURVEY OF WEAKNESSES AND STRENGTHS
Historically,
administrators seek to attract students to their college programs
by increased promotional and advertisement efforts without paying
any heed to their institution's strengths and weaknesses. If,
indeed, such internal audits are carried out, areas requiring
some changes reveal themselves. Furthermore, the potential and
possibilities for new services and programs may also emerge.
Making a list of internal weaknesses could reveal areas that can
be changed to improve the college, also some things that are
beyond control. Examples of inherent weaknesses are quite
numerous. A few are listed as follows: low staff and faculty
morale; poor building infrastructure; sub-standard laboratory and
workshop facilities; scarce instructional resources; and even the
location of the institution within the community.
Seldom do
weaknesses occur in isolation; strengths are present and need to
be enlisted as well. Examples of potential strengths could be:
(a) a reasonable tuition fee charged from students; (b) strong
and dedicated faculty with a high morale; (c) articulation with
other four-year colleges and universities which would enable
students to transfer course credits; (d) a strong reputation for
providing the training required to get entry-level employment;
and (e) diversity among the student population.
Minority
enrollment and retention is a particularly important emerging
issue because vocational schools have a mission to education
people from all sectors of society (Gorski,
1991).
Demographic projections have predicted a two- to four-fold
accelerated growth of Hispanic and Afro-American population
relative to the white majority, and this will be reflected in the
number of job seekers (Crispell,
1990).
The assessment
of strengths and weaknesses are also facilitated through surveys,
focus groups, interviews with current and past students, and
other knowledgeable sources. Once weaknesses and strengths are
delineated, it would be appropriate to reconfirm these items. It
should be recognized that different perceptions may exist
depending on the representative group consulted. Figure 2 depicts
an example using a SWOT analysis.
| BACKGROUND
INFORMATION: Consider a community technical college
that is planning to add some new programs. Assume that,
during previous brainstorming sessions, several ideas
emerged and a program in laser technology is being
strongly contemplated by the department chair and other
faculty. The department or the chair and a select group
of faculty could meet and conduct a SWOT analysis to help
develop a strategy. The following points may appear on
the worksheet. |
|
| Potential
Internal Strengths |
Potential
Internal Weaknesses |
| 1) Existing
electronics and electrical programs could provide some
basics required for a laser technology program. |
1) Current
faculty are not well versed in laser technology. |
| 2) Faculty
who are enthusiastic and willing to go the extra mile to
acquire knowledge and training in lasers. |
2) Lack of
sufficient space for the required extra equipment. |
| 3) Sufficient
funds to invest in high technology programs. |
3) Current
safety features are not adequate for handling potential
hazards such as lasers. |
| 4) Successful
experiences in the past with new, dynamic programs, thus,
expertise in dealing with change. |
4) A faction
in the faculty want a program in microprocessor
technology rather than in laser technology. |
| W |
S |
| O |
T |
| |
|
| Potential
External Opportunities |
Potential
External Threats |
| 1) Local area
hospitals, metal industries and communication companies
suffer from a critical shortage of laser technologists. |
1) The
technical college in a nearby county has already taken a
lead and possesses the infrastructure to start a laser
technology program any time soon. |
| 2) State and
nation-wide demand for laser technologists is projected
to increase for the next 10 years. |
2)
Programming many not get approval from the board because
of previous history of accidents of the college. |
| 3) Local high
school teachers' and students' enthusiasm for the
proposed program could result in recruiting the best
students. |
3) Some
efficient and cheaper alternatives to laser devices are
appearing in recent literature which, if true, will not
hold a bright future for prospective laser technologists. |
| 4) Expert
laser technologists in area hospitals and industries have
offered to give their expertise on a part-time basis. |
4) High
school students in the area indicate a preference for
business programs rather than technical ones. |
Figure 2.
Sample SWOT analysis used to consider the feasibility of
initiating a laser technology program
EXTERNAL
SURVEY OF THREATS AND OPPORTUNITIES
The external
look is complementary to the internal self-study in a SWOT
analysis. National and regional influences¾as well state and
local concerns¾are of paramount importance when deciding what
new programs need to be added or which existing ones need to be
modified or removed. Gilley
et al. (1986)
identified ten fundamentals of institutions that are
"on-the-move", one of which is the ability of
institutions to maintain a close watch on their communities. Not
only must administrators keep an eye on the community, but they
must also play a leadership role by addressing relevant issues.
Information
about the current business climate, demographic changes, and
employment and high school graduation rates should be considered
in this phase of the study. A multitude of sources include¾but
are not limited to¾parents and community leaders, local
newspapers, national news magazines, higher education journals,
conferences, the local industrial advisory council, and local
business contacts. Each of these is a potential source of highly
valuable information.
Threats need to
be ascertained. They come in various forms. Increasingly,
restrictive budgets for vocational education are a rule rather
than an exception. An anticipated cut in state or federal funding
can have a significant impact on implementing a high-budget
program. Nearby universities and other local area colleges may be
planning some new changes to attract more students to their
programs. In addition, a decreasing number of high school
graduates in the region and surrounding areas may pose a
considerable threat by way of reduced student demand for some
planned programs.
An awareness of
demographic changes in the local population can reveal potential
opportunities to address new issues and pave the way for a more
meaningful education. There could exist a pattern of preferences
among the various minority or cultural groups. Public concern for
the global environment is relatively new and this may represent
an area of opportunity. Newer industries or businesses could
emerge in the near future, seeking well-trained graduates.
It should be
recognized that opportunities and threats are not absolute. What
might at first seem to be an opportunity, may not emerge as such
when considered against the resources of the organization or the
expectations of society. The greatest challenge in the SWOT
method could probably be to make a correct judgment that would
benefit both the institution and the community.
DRAWBACKS
OF SWOT
SWOTs usually
reflect a person's existing position and viewpoint, which can be
misused to justify a previously decided course of action rather
than used as a means to open up new possibilities. It is
important to note that sometimes threats can also be viewed as
opportunities, depending on the people or groups involved. There
is a saying, "A pessimist is a person who sees a calamity in
an opportunity, and an optimist is one who sees an opportunity in
a calamity." In the example provided in Figure 2, the
opportunity provided by experts in industry to train students may
be viewed by faculty members as a threat to their own position
and job.
SWOTs can allow
institutions to take a lazy course and look for 'fit' rather than
to 'stretch'¾they look for strengths that match opportunities
yet ignore the opportunities they do not feel they can use to
their advantage. A more active approach would be to involve
identifying the most attractive opportunities and then plan to
stretch the college to meet these opportunities. This would make
strategy a challenge to the institution rather than a fit between
its existing strengths and the opportunities it chooses to
develop (Glass,
1991).
SUMMARY
A SWOT analysis
can be an excellent, fast tool for exploring the possibilities
for initiating new programs in the vocational school. It can also
be used for decision making within departments and committees or
even by individuals. A SWOT analysis looks at future
possibilities for the institution through a systematic approach
of introspection into both positive and negative concerns. It is
a relatively simple way of communicating ideas, policies, and
concerns to others. It can help administrators to quickly expand
their vision. Probably the strongest message from a SWOT analysis
is that, whatever course of action is decided, decision making
should contain each of the following elements: building on Strengths,
minimizing Weaknesses, seizing Opportunities, and
counteracting Threats.
In order to be
most effectively used, a SWOT analysis needs to be flexible.
Situations change with the passage of time and an updated
analysis should be made frequently. SWOT is neither cumbersome
nor time-consuming and is effective because of its simplicity.
Used creatively, SWOT can form a foundation upon which to
construct numerous strategic plans for the vocational school.
REFERENCES
Bartol, K. M.,
& Martin, D. C. (1991). Management. New York: McGraw
Hill, Inc.
Broadhead, C.
W. (1991). Image 2000: A vision for vocational education. To look
good, we've got to be good. Vocational Education Journal,
66(1), 22-25.
Crispell, D.
(1990). Workers in 2000. American Demographics, 12(3),
36-40.
Gilley, J. W.,
Fulmer, K. A., & Reithlingschoefer, S. J. (1986). Searching
for academic excellence: Twenty colleges and universities on the
move and their leaders. New York: ACE/Macmillan.
Glass, N. M.
(1991). Pro-active management: How to improve your management
performance. East Brunswick, NJ: Nichols Publishing.
Gorski, S. E.
(1991). The SWOT team - Focusing on minorities. Community,
Technical, and Junior College Journal, 61(3), 30-33.
Johnson, G.,
Scholes, K., & Sexty, R. W. (1989). Exploring strategic
management. Scarborough, Ontario: Prentice Hall.
Martin, W. R.
(1989). Handbook on marketing vocational education.
Westerville: Ohio State Council on Vocational Education.
Sabie, A.
(1991). The industrial arts/technology education: A supervisor's
perspective. The Technology Teacher, 51(2), 13-14.
Weber, J. M.
(1989). Variations in selected characteristics across three types
of high schools that offer vocational programs. Journal of
Industrial Teacher Education, 26(4), 5-37.

Strengths, Weaknesses, Opportunities,
and Threats - SWOT Analysis
What makes a successful plan is a procedure
that facilitates the organization and evaluation of relative
information. SWOT is a system for developing a comprehensive
analysis without the need for high priced talent or computers -
though these items can be used in a SWOT Analysis to develop a
very sophisticated program. The major mistake made in a
SWOT is in trying to make only one SWOT - often times only
multiple, interrelated SWOTs can actually solve a firms problems
or give rise to a comprehensive business evaluation.
We have found that the major benefits of
SWOT is Simplicity, Lower Costs, Flexibility, Integration, and
Collaboration. The ability to tailor SWOT to
the firm and the capabilities of the firms staff is the
greatest strength of the technique.
Besides the special materials prepared for
this how to program, we recommend a specific text that is used by
one of our members in the marketing management M.B.A. course that
he instructs. This is a professional level resource that many
students and clients have found to be an invaluable resource.
This program will allow you to produce a
SWOT Analysis of your business which will become the keystone for
any development of or change to your marketing plan - both
strategic and operational. You will be exposed to the SWOT Matrix
and more than ten key issues each for the strengths, weaknesses,
opportunities, and threats for your firm.
We will show you how to determine external
and internal sources of competitive advantage based on the SWOT
Analysis. We give you a check list of Core Competencies and
Attitudes and how these can identified in your SWOT and how they
can be leveraged into competitive strengths.
SWOT Analysis - will work for every firm and
every skill level. If you are tired of guessing or not having a
direction for either your firm, employees, or outside suppliers
then SWOT is for you.
Strengths
Weaknesses
Opportunities
Threats
Assumptions
INTERNAL
Strengths |
Weaknesses |
| A
distinctive competence? |
No
clear strategic direction? |
| Adequate
financial resources? |
A
deteriorating competitive position? |
| Good
contacts/relations with clients? |
Subpar
profitability because...? |
| Good
competitive skills? |
Lack
of managerial depth and talent? |
| Special
expertise? |
Missing
any key skills or competencies? |
| An
acknowledged market leader? |
Poor
track record in implementing strategy? |
| Well-conceived
functional area strategies? |
Plagued
with internal operating problems? |
| Innovative
programs/services? |
Vulnerable
to competitive pressures? |
| Good
overall reputation? |
Too
narrow a service line? |
| Access
to economies of scale? |
Weak
market image? |
| Insulated
( at least somewhat ) from strong competitive pressures? |
Competitive
disadvantages? |
| Cost
advantages? |
Below-average
marketing skills? |
| Competitive
advantages? |
Unable
to finance needed changes in strategy? |
| Proven
management? |
Other? |
| Other? |
EXTERNAL
Opportunities |
Threats |
| Serve
additional customer groups? |
Likely
entry of new competitors? |
| Enter
new markets or segments? |
Slow
market growth? |
| Expand
service line to meet broader range of client needs? |
Adverse
government policies? |
| Diversify
into related services? |
Growing
competitive pressures? |
| Complacency
among rival firms? |
Vulnerability
to recession and business cycle? |
| Fast
market growth? |
Growing
bargaining power of clients? |
| Weak
competitors? |
Changing
client needs and tastes? |
| Lack
of dominant competitor? |
Adverse
demographic changes? |
| Other? |
Other? |
by Randall S. Hansen, Ph.D. and Katharine Hansen
A key tool in the strategic planning process
can also be applied to career planning. This tool is a marketing
analysis using the SWOT technique. A SWOT analysis focuses on the
internal and external environments, examining strengths and
weaknesses in the internal environment and opportunities and
threats in the external environment. Imagine your SWOT analysis
to be structured like the table below:
SWOT Analysis
I
|
Your |
Your |
E
|
Opportunities |
Threats |
To construct your own SWOT analysis to set
a course for your career planning, examine your current
situation. What are your strengths and weaknesses? How can you
capitalize on your strengths and overcome your weaknesses? What
are the external opportunities and threats in your chosen career
field?
I N T E R N A L |
Strengths Internal
positive aspects that are under control and upon which
you may capitalize in planning ·Work
Experience ·Education,
including value-added features ·Strong
technical knowledge within your field (e.g. hardware,
software, programming languages) ·Specific
transferable
skills
(e.g., communication, teamwork, leadership skills ·Personal
characteristics (e.g., strong work ethic,
self-discipline, ability to work under pressure,
creativity, optimism, or a high level of energy ·Good
contacts/successful networking ·Interaction
with professional organizations
|
Weaknesses Internal
negative aspects that are under your control and that you
may plan to improve ·Lack
of Work Experience ·Low
GPA, wrong major ·Lack
of goals, lack of self-knowledge, lack of specific job
knowledge ·Weak
technical knowledge ·Weak
skills (leadership, interpersonal, communication,
teamwork) ·Weak
job-hunting skills ·Negative
personal characteristics (e.g., poor work ethic, lack of
discipline, lack of motivation, indecisiveness, shyness,
too emotional |
E X T E R N A L |
Opportunities Positive
external conditions that you do not control but of which
you can plan to take advantage ·Positive
trends in your field that will create more jobs (e.g.,
growth, globalization, technological advances) ·Opportunities
you could have in the field by enhancing your education ·Field
is particularly in need of your set of skills ·Opportunities
you could have through greater self-knowledge, more
specific job goals ·Opportunities
for advancement in your field ·Opportunities
for professional development in your field ·Career
path youve chosen provides unique opportunities
·Geography
·Strong
network |
Threats Negative
external conditions that you do not control but the
effect of which you may be able to lessen ·Negative
trends in your field that diminish jobs (downsizing,
obsolescence) ·Competition
from your cohort of college graduates ·Competitors
with superior skills, experience, knowledge ·Competitors
with better job-hunting skills than you ·Competitors
who went to schools with better reputations. ·Obstacles
in your way (e.g., lack of the advanced
education/training you need to take advantage of
opportunities) ·Limited
advancement in your field, advancement is cut-throat and
competitive ·Limited
professional development in your field, so its hard
to stay marketable · Companies
are not hiring people with your major/degree |
To
further refine your list of Strengths, Weaknesses, Opportunities,
and Threats, you may also want to ask yourself some
critical questions
adapted in part from an article by Dave Jensen, managing
director of Search Masters International.
Explore
your own self-perception of your strengths, but also put
yourself inside a prospective employer's head as you consider
your strong points. Avoid false modesty, but also be brutally
honest and realistic with yourself. Start out by simply making a
list of words that describe you; chances are many of these
characteristics comprise your strengths.
One of your greatest strengths can be
loving the work you do. Learning to "follow your bliss"
should be a critical component of managing your career. Some
people know from an early age what kind of work will make them
happy. For others, nailing down the self-knowledge that leads to
career fulfillment comes from a process of exploring interests,
skills, personality, learning style, and values. Take a look at
some career assessment and exploration tools, such as those
described in Step 1 of The
Quintessential Careers Guide to Job-Hunting on the Internet. Take one or
more of the tests and react to the results. Do the results match
your general plans and expectations?
In
assessing your weaknesses, think about what prospective
employers might consider to be the areas you could improve upon.
Facing your frailties now can give you a huge head start in
career planning.
As
humans, we find it relatively difficult to identify the areas
where we are weak. But this assessment helps to identify areas
where we may need to improve. If you identify a skill that you
know is in your chosen field, but you are weak in that skill
area, you need to take steps to improve that skill. Past
performance appraisals and even your grades and teacher comments
from school provide valuable feedback.
For a good collection of sites on the
Internet that enable you to research the trends that will tell
you more about external opportunities and threats
in your chosen field, go to Step 2 of The
Quintessential Careers Guide to Job-Hunting on the internet.
Particularly helpful are "Jobs in Business" at Ohio
State University (limited selection of jobs) and the Occupational
Outlook Handbook. It's also helpful to visit online databases
(often available through library Web sites), such as ABI/INFORM,
Business News Bank, and Lexis/Nexis and conduct a search of
"hiring trends in ______" or "employment trends in
______," filling in the blank with your career field.
Don't forget print resources, such as
newspapers, periodicals, and trade publications. Check out job postings on
the Internet
to get a feel for the relative number of openings in your field.
If you are a college student, check out your school's Career
Services office for information on file on opportunities and
threats in your field.
From
this analysis, you will have a road map that shows you how to
capitalize on your strengths and minimize or eliminate your
weaknesses. You should then use this map to take advantage of
opportunities and avoid or lessen threats.
After you've analyzed your strengths,
weaknesses, threats, and opportunities, you should use that
information to plan how to market yourself.
The marketing planning process entails a
three-step process:
1.determining
objectives.
2.developing
marketing strategies.
3.strategizing
an action program.
Objectivesdefine your
career objectives. What is your ideal job upon graduation (or the
job you would like to transition to from your current job)? What
are some other positions you could accept? What is your five-year
career goal?
Marketing
Strategiesa broad marketing strategy or game
plan for attaining your objectives. What are the companies
and organizations youre going to target to obtain your
objectivesyour ideal job? How will you communicate with
these firms? The strategies you identify should utilize all
of the resources available to you, such as your personal network
and a partnership with a mentor.
Action Programsaccording
to marketing principles, marketing strategies should be turned
into specific action programs that answer a number of questions,
including: What will be done? When will it be done? Who is
responsible for doing it? Your key task here is setting specific
timetables and deadlines for getting the career and company
information you identified in the marketing strategy step.
You can use a SWOT analysis to identify and
analyze the Strengths and Weaknesses of your
organization, as well as the Opportunities and Threats
revealed by the information you have gathered on the external
environment.
The team members, the managers.
To develop a plan that takes into
consideration many different internal and external factors, and
maximizes the potential of the strengths and opportunities while
minimizing the impact of the weaknesses and threats.
While developing a strategic plan or
planning a solution to a problem, after you have analyzed the
external environment (for example, the culture, economy, health,
sources of funding, demographics, etc.).
If you need additional information,
you can find out what your users think by using a user
survey or a tally
sheet.
Decide whether the answers or the data collected reveal external opportunities
or threats.
| |
POSITIVE |
NEGATIVE |
| INTERNAL |
Strengths |
Weaknesses |
| EXTERNAL |
Opportunities |
Threats |
4.
You can use this information to help you develop a strategy that
uses the strengths and opportunities to reduce the weaknesses and
threats, and to achieve the objectives of your organization.
SWOT Analysis is an effective method of
identifying your Strengths and Weaknesses, and to examine the
Opportunities and Threats you face. Often carrying out an
analysis using the SWOT framework will be enough to reveal
changes which can be usefully made.
To carry out a SWOT Analysis write down answers to the
following questions:
Consider
this from your own point of view and from the point of view of
the people you deal with. Don't be modest, be realistic. If you
are having any difficulty with this, try writing down a list of
your characteristics. Some of these will hopefully be strengths!
Again
this should be considered from an internal and external basis -
do other people perceive weaknesses that you don't see? Do your
competitors do any better? It is best to be realistic now, and
face any unpleasant truths as soon as possible.
Useful
opportunities can come from such things as:
Carrying out this analysis is will often be illuminating - both in terms of pointing out what needs to be done, and in putting problems into perspective.