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A discussion of the academic motivation of adolescents. It addresses: self-efficacy and adolescents' motivation; situating motivation in sociocultural contexts; rewards and intrinsic motivation - a needs-based developmental perspective; and perceived peer norms and the need to be accepted.

In the last quarter century, televised court proceedings have gone from an outlandish idea to a seemingly inevitable reality. Yet, debate continues to rage over the dangers and benefits to the justice system of cameras in the courtroom. Critics contend television transforms the temple of justice into crass theatre. Supporters maintain that silent cameras portray -the real thing, - that without them judicial reality is inevitably filtered through the mind and pens of a finite pool of reporters.

Television in a courtroom is clearly a two-edged sword, both invasive and informative....

The variety and pervasiveness of confidentiality issues today is breathtaking. Not a day passes without a media report on a breach of confidentiality, a claim of attorney-client privilege, a journalist jailed for refusing to reveal a source, a medical or hospital record improperly disclosed, or a major business deal exposed by anonymous sources. In Confidence examines confidential issues that arise in various disciplines and relationships and considers which should be protected and which should not.

Ronald Goldfarb organizes the book around professionals for whom...

It is widely appreciated that the pathophysiology of advanced brain cancer is intimately related to the extent of tumor invasiveness. A prerequisite for comprehensively understanding neuro-oncology is therefore the elucidation of the biochemical and molecular properties of tumor cells that contribute to their invasiveness. An understanding of tumor invasion for central nervous system tumors is crucial since malignant brain tumors are very highly invasive and extensively destroy adjacent neural brain tissue. Moreover, they are angiogenesis-dependent and lead to the death of patients by...

In the last quarter century, televised court proceedings have gone from an outlandish idea to a seemingly inevitable reality. Yet, debate continues to rage over the dangers and benefits to the justice system of cameras in the courtroom. Critics contend television transforms the temple of justice into crass theatre. Supporters maintain that silent cameras portray -the real thing, - that without them judicial reality is inevitably filtered through the mind and pens of a finite pool of reporters.

Television in a courtroom is clearly a two-edged sword, both invasive and informative....

Individual neoplastic diseases often show discrete growth direct effect of tumor metastases or to adverse consequences patterns subject to many modifications according to the associated with these therapeutic modes (e.g., complications stage of the disease, the species involved and the tumor type of immunosuppression which can lead to mortality arising concerned. Primary neoplasms are less difficult to treat in from infectious disease). contrast to secondary neoplasms. The chief type of secon It is therefore quite clear that there is a crucial need for dary neoplastic growth, metastasis, is...

It is widely appreciated that the pathophysiology of advanced brain cancer is intimately related to the extent of tumor invasiveness. A prerequisite for comprehensively understanding neuro-oncology is therefore the elucidation of the biochemical and molecular properties of tumor cells that contribute to their invasiveness. An understanding of tumor invasion for central nervous system tumors is crucial since malignant brain tumors are very highly invasive and extensively destroy adjacent neural brain tissue. Moreover, they are angiogenesis-dependent and lead to the death of patients by...

Based on a Tumor Immunology Symposium held in Pittsburgh, this work provides comprehensive coverage of the most important aspects of tumor immunology. It reveals novel approaches to the immunotherapy of cancer and presents complex issues in an accessible manner.