Many researchers believe the extinction was more gradual, resulting from the sea level and climate changes already occurring during the late Cretaceous, and aggravated by impact events or increased volcanic activity.

Many researchers are interested in the interaction between personal characteristics, the individual's behavior, and environmental factors including social context, and their impact on development ; others take a more narrowly-focused approach.

Many researchers combine qualitative and quantitative forms of analysis to better answer questions which cannot be studied in laboratory settings, particularly in the social sciences and in education.

Many social researchers have investigated flaming, coming up with several different theories about the phenomenon.

Many security researchers cite vendors ' past failure to respond to vulnerability reports as the reason that they fully disclose vulnerabilities.

Many British researchers dismissed Lord May's pronouncements, and the British journal Chemistry & Industry in particular printed an article rebutting his arguments.

Many researchers, including the " father of OCB research ," Dennis Organ have consistently portrayed OCBs as voluntary behaviors done at the discretion of the individual.

Many researchers, including David Unwin, have found P. longicollum to be distinct from P. kochi and P. antiquus.

Many researchers consider there to be at least two species of Pteranodon.

Many researchers view the detection of the graviton as vital to validating their work.

Many researchers have recognized these kinds of supply network structures as a new organization form, using terms such as " Keiretsu ", " Extended Enterprise ", " Virtual Corporation ", " Global Production Network ", and " Next Generation Manufacturing System ".

Many early researchers, both before and after the periodic table was published, were eager to be the first to discover and name the missing element ; its location in the table suggested that it should be easier to find than other undiscovered elements.

Many transgender people and researchers support the declassification of GID as a mental disorder for several reasons.

Many researchers hold this to be caused by the spread of such tales, as people repeat tales they have heard in foreign lands, although the oral nature makes it impossible to trace the route except by inference.

Many Prussian documents and original manuscripts have since been discovered in Kraków, leading music researchers to hope that some of Bodeck's works might resurface.

" Many researchers have shown that having some prior knowledge about the topic of a passage enables both greater comprehension of the text and better memory for it.

Many researchers advance the belief that oxidative modification of LDL-cholesterol ( sometimes called " bad " cholesterol ) promotes blockages in coronary arteries that may lead to atherosclerosis and heart attacks.

Many researchers focus on the brain to explain aggression.

Facsimile of the first page of Antony and Cleopatra from the First Folio, published in 1623. Many scholars believe it was written in 1606 – 07, although some researchers argue for an earlier dating, around 1603 – 04.

Many researchers have considered alternative positions for the statue which would have made it more feasible for actual construction by the ancients.

Many writers or researchers who question conventional views of human history have used purported OOPArts in attempts to bolster their arguments.

D. Many researchers studied the phenomenon of matriarchy afterward, but the basis was laid by the classics of sociology.

Many researchers believe the Electra ran out of fuel and Earhart and Noonan ditched at sea.

Many of the hospital's health professionals and researchers teach in the Faculties of Medicine and Health Sciences.

Many authors contend that he was murdered by his own wife.

Many members believe that the parents involved received poor guidance from church leaders, while others contend that the process of healing through Christian Science was not done correctly.

There are early mystery novels in which a police force attempts to contend with the type of criminal known in the 1920s as a homicidal maniac, such as a few of the early novels of Philip Macdonald and Ellery Queen's Cat of Many Tails.

Many scholars generally consider the epistle to be written between c 100 – 150AD and so contend that it is pseudepigraphical.

Many people contend that open relays make it too easy to send spam.

Many supporters of Taiwanese independence fear that unification would hurt the democratic progress in the ROC ; and some contend that Taiwan is not part of China.

Many also contend that the fact that civil unions are often not understood can cause difficulty for same-sex couples in emergency situations.

Many scholars contend that it is of a far later date than Moses, and that the description reflects the structure of the Temple of Solomon, while some hold that the description derives from memories of a real pre-monarchic shrine, perhaps the sanctuary at Shiloh.

Many economists contend that ISI failed in Latin America and was one of many factors leading to the so-called lost decade of Latin American economics, while others contend that ISI led to the " Mexican Miracle ", the period that lasted from 1940 to 1975 in which economic growth stood at 6 % or higher.

Many Traditionalists would contend that Church statements since the Second Vatican Council are a radical departure from what was originally taught by the Catholic Church.

Many nontrinitarians contend that the doctrine of the Trinity is a prime example of Christianity borrowing from Indo-European and Egyptian pagan sources.

Many contend that the central offices, along with the elevator stop at floor eight, and so should the floor count.

Many SSE professors contend that the Riga program is more competitive and difficult than the SSE program in Stockholm.

Many people from many faiths contend that their faith brings them fulfillment, peace, and joy, apart from worldly interests.

Many advocates for the homeless contend that a key difficulty is the social stigma surrounding homelessness.

Many economists contend that such proposals are likely to be ineffective, alleging that there are usually substantial administrative costs associated with employing more workers, such as recruitment, training, and management, that would increase average cost per unit of output, leading to reduced production, and ultimately to even lower employment.

Many historians believe that the Qutub Minar was named after the first Turkic sultan ( whose descendant-Wajid Ali Shah-repaired it ), Qutub-ud-din Aibak, but others contend that it was named in honour of Qutubuddin Bakhtiar Kaki, a saint from Transoxiana who came to live in India and was greatly venerated by Iltutmish.

Many villages have no access to running water, and even areas that do have it must contend with outbreaks of amoebic dysentery, bacterial dysentery, brucellosis, giardia, hepatitis A, and schistosomiasis.

Many anthropologists also contend that susto is the Latin American version of schizophrenia.

Many air travellers also prefer to continue taking taxis or private transport as the MRT service does not provide for convenient luggage storage beyond Tanah Merah MRT Station, and they have to contend with the commuting crowd especially during peak hours.

" Many scholars contend that while racism is a central subject to examine, one must pay attention to and interrogate the social, political and economic conditions which shaped and created race in the first place.

Many historians contend that the treaty divided the spheres of influence between the Dutch and the English ; Sultanate of Johor into modern Johor and the state of Riau-Lingga which exists de jure after the ouster of the last Sultan of Johor.

Many NBA analysts felt that this was a good move, because not only did it remove a disgruntled Howard from the line-up, it simultaneously brought Dirk Nowitzki a quality supporting cast, with many believing that the Mavs could contend for a title after the trade went through.