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 researchers contend that one of the biggest reasons for cohabitation is that couples no longer believe in marriage.

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 Northeners believe this, too, but few of them will say so publicly.

Many believe -- and understandably -- that the great difference between the Constitution of the Southern Confederacy and the Federal Constitution was that the former recognized the right of each state to secede.

Many workers believe that the response is proportional to the incident momentum of the particles, a relation deduced from laboratory results linearly extrapolated to meteoritic velocities.

Many of them sincerely believe that the use of liquor in any form or in any degree is intrinsically evil and sinful.

Many religions, whether they believe in the soul's existence in another world like Christianity, Islam and many pagan belief systems, or in reincarnation like many forms of Hinduism and Buddhism, believe that one's status in the afterlife is a reward or punishment for their conduct during life.

Many writers report that a peace treaty, known as the Peace of Callias, was formalized in 450 BC, but some writers believe that the treaty was a myth created later to inflate the stature of Athens.

Many believe this group of texts comes from the original Book of Acts by looking at the Byzantine text for the whole of the New Testament.

Many modern baseball theorists believe that a new pitch will swing the balance of power back to the pitcher.

Many associate the term " born again " with the revelation of a new concept, or an experience of conversion, defined as mental assent to the acceptance of Jesus Christ as one's personal Savior ; though some believe that this experience or mental assent ( See Gnosticism ) is not alone sufficient to merit Christian salvation.

Many believe that al-kīmīā is derived from χημία, which is in turn derived from the word Chemi or Kimi, which is the ancient name of Egypt in Egyptian.

Many scholars in those days thought it reasonable to believe that there exist means for transforming cheaper ( base ) metals into gold.

Many philosophers consider experience to be the essence of consciousness, and believe that experience can only fully be known from the inside, subjectively.

Many Koreans believe Confucianism has not contributed to the modernization of Korea.

Many, but not all, Christians believe:

Many amillennialists believe that during this time period, the church will continue to evangelize and grow as well as suffer declination in periods until Christ ’ s coming.

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.

Many Conservative Jews believe that Moses was inspired by God in the same manner as the later prophets.

Many do not see these voluntary associations as " denominations ", because they " believe that there is no church other than the local church, and denominations are in variance to Scripture.

Many believe that persistent chlamydiae are the cause of chronic chlamydial diseases.

Many legal scholars believe that a number of legal cases, in particular Reno v. American Civil Liberties Union, established that the use of content-control software in libraries is a violation of the First Amendment.

Many of the debates among Christians have roots in questions about the sources of authority different Christians believe represent God's purest or most definitive message.

Many Christians believe that marriage is defined by the union of a man and a woman, and that any sexual act outside of the marriage relationship is inherently sinful.

Many Orthodox theologians believe that all people will have an opportunity to embrace union with God, including Jesus, after their death, and so become part of the Church at that time.