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These examples all culminate in a challenge hypothesis model which focuses on the role of testosterone on aggression in the breeding season. The challenge hypothesis most likely cannot be applied to the non-breeding season since, as mentioned above, there is most likely a mechanism independent of testosterone governing aggression in the non ...
The Organizational-Activational Hypothesis states that steroid hormones permanently organize the nervous system during early development, which is reflected in adult male or female typical behaviors. [1] In adulthood, the same steroid hormones activate, modulate, and inhibit these behaviors.
The timing hypothesis, gap hypothesis, gap theory, or critical window hypothesis for menopausal hormone therapy is a scientific theory that the benefits and risks of menopausal hormone therapy vary depending on the amount of time a woman has been in menopause upon initiation of treatment.
A literature review is an overview of previously published works on a particular topic. The term can refer to a full scholarly paper or a section of a scholarly work such as books or articles. Either way, a literature review provides the researcher /author and the audiences with general information of an existing knowledge of a particular topic.
Harris and the tutors sent paper copies of their materials to individuals beyond Purdue University who had contacted the writing lab, requesting information on writing, citation, or research; these resources later became available electronically, through email requests and through GOPHER (a precursor to the World Wide Web), in 1993.
Medical Hypotheses is a not-conventionally-peer-reviewed [1] medical journal published by Elsevier.It was originally intended as a forum for unconventional ideas without the traditional filter of scientific peer review, "as long as (the ideas) are coherent and clearly expressed" in order to "foster the diversity and debate upon which the scientific process thrives."
A systematic review published in 1998 showed that home pregnancy test kits, when used by experienced technicians, are almost as accurate as professional laboratory testing (97.4%). When used by consumers, however, the accuracy fell to 75%: the review authors noted that many users misunderstood or failed to follow the instructions included in ...
The design of the hormone therapy trial (HT) was approached with the hypothesis that estrogen therapy would result in a decrease in coronary heart disease and osteoporosis-related fractures. As such, the primary outcome of interest was coronary heart disease, as this is a major cause of morbidity and mortality among women, particularly those ...