power analysis

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analysis

[ah-nal´ĭ-sis] (pl. anal´yses)
separation into component parts.
activity analysis the breaking down of an activity into its smallest components for the purpose of assessment.
bivariate analysis statistical procedures that involve the comparison of summary values from two groups on the same variable or of two variables within a group.
blood gas analysis see blood gas analysis.
chromosome analysis see chromosome.
concept analysis examination of the attributes of a concept as it occurs in ordinary usage in order to identify the meanings attached to the concept.
content analysis a systematic procedure for the quantification and objective examination of qualitative data, such as written or oral messages, by the classification and evaluation of terms, themes, or ideas; for example, the measurement of frequency, order, or intensity of occurrence of the words, phrases, or sentences in a communication in order to determine their meaning or effect.
correlational analysis a statistical procedure to determine the direction of a relationship (positive or negative correlation) between two variables and the strength of the relationship (ranging from perfect correlation through no correlation to perfect inverse correlation and expressed by the absolute value of the correlation coefficient).
analysis of covariance (ANCOVA) a variation of analysis of variance that adjusts for confounding by continuous variables.
data analysis the reduction and organization of a body of data to produce results that can be interpreted by the researcher; a variety of quantitative and qualitative methods may be used, depending upon the nature of the data to be analyzed and the design of the study.
ego analysis in psychoanalytic treatment, the analysis of the strengths and weaknesses of the ego, especially its defense mechanisms against unacceptable unconscious impulses.
gait analysis see gait analysis.
gastric analysis see gastric analysis.
multiple-locus variable number of tandem repeat analysis (MLVA) a laboratory tool designed to recognize tandem repeats and other qualities in the genome of an individual to provide a high resolution DNA fingerprint for the purpose of identification.
multivariate analysis statistical techniques used to examine more than two variables at the same time.
power analysis a statistical procedure that is used to determine the number of required subjects in a study in order to show a significant difference at a predetermined level of significance and size of effect; it is also used to determine the power of a test from the sample size, size of effect, and level of significance in order to determine the risk of Type II error when the null hypothesis is accepted.
qualitative analysis the determination of the nature of the constituents of a compound or a mixture of compounds.
quantitative analysis determination of the proportionate quantities of the constituents of a compound or mixture.
SNP analysis analysis of single nucleotide polymorphisms to assess artificially produced genetic modifications or identify different strains of an organism.
transactional analysis a type of psychotherapy based on an understanding of the interactions (transactions) between patient and therapist and between patient and others in the environment; see also transactional analysis.
analysis of variance ANOVA; a statistical test used to examine differences among two or more groups by comparing the variability between the groups with the variability within the groups.
variance analysis the identification of patient or family needs that are not anticipated and the actions related to these needs in a system of managed care. There are four kinds of origin for the variance: patient-family origin, system-institutional origin, community origin, and clinician origin.
vector analysis analysis of a moving force to determine both its magnitude and its direction, e.g., analysis of the scalar electrocardiogram to determine the magnitude and direction of the electromotive force for one complete cycle of the heart.

power analysis,

n statistical technique used to determine the number of subjects required to detect differences between experimental or control groups.
References in periodicals archive ?
Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Any statements set forth in this news release that are not entirely historical and factual in nature, including without limitation statements related to its completing differential power analysis (DPA) testing on its secure boot field programmable gate array (FPGA) solution, which resolves vulnerabilities inherent in the configuration process of large static random-access memory (SRAM) FPGAs, and its potential effects on future business, are forward-looking statements.
About Differential Power Analysis Attacks DPA is an insidious and powerful technique hackers use to extract secrets such as cryptographic keys from an electronic device by externally monitoring the instantaneous power consumed by the device while it is operating on the secrets.
Differential power analysis (DPA) attacks extract secret keys by analyzing measurements in the power consumption of a target device
CRI), a division of Rambus (NASDAQ:RMBS), and INVIA SAS (INVIA) today announced they have entered into an agreement enabling INVIA to develop products incorporating Differential Power Analysis (DPA) countermeasures for use by licensees of CRI's DPA patents.
Advanced security features of Mokard R6 include a crypto coprocessor for up to 2048-bit RSA-encrypted operation, on-board key generation, and a complete set of 2G/3G authentication algorithms protected by state-of-the-art Differential Power Analysis (DPA)/Simple Power Analysis (SPA) countermeasures.
Incorporation of CRI's patented technology can protect Mikron's tamper-resistant products against differential power analysis (DPA) and related attacks.
More recently he has led research to develop Differential Power Analysis and designs for securing smart cards and other devices against these attacks, as well as to design a record- breaking DES Key Search machine.
a worldwide leader in security systems, today announced that it has licensed its Differential Power Analysis (DPA) countermeasure technologies to Raytheon Company .
Agreement covers Differential Power Analysis countermeasures
Differential Power Analysis and related attacks were first discovered at Cryptography Research by Paul Kocher, Joshua Jaffe and Benjamin Jun.
Key technologies developed by CRI include differential power analysis (DPA) countermeasures.
today announced it is now licensing its Differential Power Analysis (DPA) countermeasure technology for cryptographic device manufacturers, smart card vendors, and smart card issuers wanting to produce secure, DPA-resistant products.

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