A Reexamination of the Impact of Decision Conflict on Choice Deferral

2020 ◽  
Author(s):  
Ioannis Evangelidis ◽  
Jonathan Levav ◽  
Itamar Simonson
Keyword(s):  
Decision Conflict ◽  
Choice Deferral ◽  
The Impact

scholarly journals The Impact of Implementing Steps of Empowerment Model on Decisional Conflict for Re-Pregnancy for Women with Failed Pregnancies: A Randomized Controlled Trial

2021 ◽  
Vol 15 (5) ◽  
pp. 1604-1615
Author(s):  
Mozhgan Zareyee Salehabadi ◽  
Masoomeh Kheirkhah ◽  
Nazanin Esmaeeli ◽  
Shima Haghani
Keyword(s):  
Randomized Controlled Trial ◽  
Controlled Trial ◽  
Intervention Group ◽  
Decisional Conflict ◽  
Control Group ◽  
Random Allocation ◽  
Decision Conflict ◽  
Randomized Controlled ◽  
Empowerment Model ◽  
The Impact

Background: Failed pregnancy is known as a common and destructive experience. It has physical and psychological effects on both women and their families. Due to this experience, they may become reluctant to be pregnant again. In this regard, providing the coping strategies can help in being adapted to failed pregnancies, and making informed decisions on future pregnancies. So, this study was designed and then performed to determine the effect of implementing steps of empowerment model on decision conflict for re-pregnancy for women with failed pregnancies Method: This interventional research was a randomized controlled trial with a control group conducted in Iran from January 2020 to May 2020. Participants were 80 women who had been hospitalized in a referral center during the past 3-6 weeks due to failed pregnancies. Afterward, the eligible women were divided into the two groups of intervention (n=40) and control (n=40) with random allocation of sealed envelope site and a separate code was then determined for each person. The intervention was performed in four sessions lasted for 90-minute based on the model steps (threat perception, problem solving, educational participation, and evaluation) for intervention group. O'Connor's decisional conflict scale was completed in both groups once before and once six weeks after intervention. The obtained data were analyzed using SPSS edition 16 with the independent T-test, Fisher, and chi-squared tests. Results The scores of decisional conflict and its subscales had no differences between the two groups before the intervention (P = 0.65). However, by passing six weeks from the intervention, the decisional conflict and all its subscales have reduced in the intervention group. (P < 0.001). Conclusion: Empowerment education in women with failed pregnancies improved their decision conflict in immune re-pregnancy, so empowerment education along with health care services is recommended for women with failed pregnancies. Trial registration: This randomized control trial was registered on the TCTR site with the code TCTR20191226001. Registered on 26 December 2019. https://www.clinicaltrials.in.th/index.php?tp=regtrials&menu=trialsearch&smenu=fulltext&task=search&task2=view1&id=5336 Keywords: Empowerment, Conflict, Decision Making, Failed Pregnancy.

Preference Fluency in Choice

2007 ◽  
Vol 44 (3) ◽  
pp. 347-356 ◽  
Author(s):  
Nathan Novemsky ◽  
Ravi Dhar ◽  
Norbert Schwarz ◽  
Itamar Simonson
Keyword(s):  
Reference Points ◽  
Subjective Feeling ◽  
Subjective Experiences ◽  
Preference Formation ◽  
Decision Conflict ◽  
Choice Sets ◽  
Consumer Choices ◽  
Choice Deferral ◽  
Practical Implications ◽  
Selection Of

The authors propose that consumer choices are often systematically influenced by preference fluency (i.e., the subjective feeling that forming a preference for a specific option is easy or difficult). Four studies manipulate the fluency of preference formation by presenting descriptions in an easy- or difficult-to-read font (Study 1) or by asking participants to think of few versus many reasons for their choice (Studies 2–4). As the authors predict, subjective experiences of difficulty increase choice deferral (Studies 1 and 2) and the selection of a compromise option (Studies 3 and 4), unless consumers are induced to attribute the experience to an unrelated cause. Unlike studies of decision conflict, these effects are obtained without changing the attributes of the alternatives, the composition of the choice sets, or the reference points. The authors discuss the theoretical and practical implications of the results.

The Impact of Implementing Steps of Empowerment Model for Women with Failed Pregnancies on Decisional Conflict for Re-pregnancy: A Randomized Controlled Trial

2020 ◽  
Author(s):  
Masoomeh Kheirkhah ◽  
Mozhgan Zareyee Salehabadi ◽  
Nazanin Esmaeeli ◽  
Shima Haghani
Keyword(s):  
Randomized Controlled Trial ◽  
Controlled Trial ◽  
Intervention Group ◽  
Decisional Conflict ◽  
Control Group ◽  
Random Allocation ◽  
Decision Conflict ◽  
Randomized Controlled ◽  
Empowerment Model ◽  
The Impact

Abstract Background: Failed pregnancy is a common and destructive experience. It has physical and psychological effects on both women and families. They may become reluctant to re-pregnancy. Providing the coping strategies can help to adapt to failed pregnancies, and make informed decisions about future pregnancies. This study was designed and performed to determine the effect of implementing steps of empowerment model for women with failed pregnancies on decision conflict for re-pregnancy. Method: This interventional research is a randomized controlled trial with a control group that was conducted in Iran from January 2020 to May 2020. Participants were 80 women who had been hospitalized in a referral center during past 3-6 weeks due to failed pregnancies. The eligible women with random allocation of sealed envelope site were divided into two groups of intervention (n=40) and control (n=40) and a separate code was determined for each person. The intervention was performed in four, 90-minute sessions based on the model steps (threat perception, problem solving, educational participation, and evaluation) for intervention group. O'Connor's decisional conflict scale was completed before and six weeks after intervention by both of groups. Data were analyzed using SPSS edition 16 with the independent T-test, Fisher and chi-squared tests. Results: The score of decisional conflict and, its subscales did not differ between the two groups before the intervention (P = 0.65), but six weeks after the intervention, the decisional conflict and, all its subscales in the intervention group reduced. (P < 0.001).Conclusion: Empowerment education in women with a failed pregnancy improved their decision conflict in re-pregnancy, so empowerment education along with health care services for women with failed pregnancies is recommended. Trial registration: This randomized control trial was registered on the TCTR site with the code TCTR20191226001. Registered on 26 December 2019.

Formation of Lunar Craters and Bright Rays as a Result of Meteorite Impacts

1962 ◽  
Vol 14 ◽  
pp. 415-418
Author(s):  
K. P. Stanyukovich ◽  
V. A. Bronshten
Keyword(s):  
Explosive Charge ◽  
The Moon ◽  
Meteorite Impacts ◽  
The Earth ◽  
Lunar Craters ◽  
The Impact

The phenomena accompanying the impact of large meteorites on the surface of the Moon or of the Earth can be examined on the basis of the theory of explosive phenomena if we assume that, instead of an exploding meteorite moving inside the rock, we have an explosive charge (equivalent in energy), situated at a certain distance under the surface.

The Geosciences Applied to Lunar Exploration

1962 ◽  
Vol 14 ◽  
pp. 169-257 ◽  
Author(s):  
J. Green
Keyword(s):  
Lunar Surface ◽  
Probable Mechanism ◽  
Point Of View ◽  
Lunar Exploration ◽  
Geological Model ◽  
Apply Geophysics ◽  
Surface Features ◽  
The Impact

The term geo-sciences has been used here to include the disciplines geology, geophysics and geochemistry. However, in order to apply geophysics and geochemistry effectively one must begin with a geological model. Therefore, the science of geology should be used as the basis for lunar exploration. From an astronomical point of view, a lunar terrain heavily impacted with meteors appears the more reasonable; although from a geological standpoint, volcanism seems the more probable mechanism. A surface liberally marked with volcanic features has been advocated by such geologists as Bülow, Dana, Suess, von Wolff, Shaler, Spurr, and Kuno. In this paper, both the impact and volcanic hypotheses are considered in the application of the geo-sciences to manned lunar exploration. However, more emphasis is placed on the volcanic, or more correctly the defluidization, hypothesis to account for lunar surface features.

Asteroid and Comet Impact Speeds upon Mars: Significance for Panspermia and the Supply of Organics

1997 ◽  
Vol 161 ◽  
pp. 197-201 ◽  
Author(s):  
Duncan Steel
Keyword(s):  
Probability Distributions ◽  
Regions Of Interest ◽  
Significant Fraction ◽  
Organic Chemicals ◽  
Impact Speed ◽  
The Mean ◽  
The Impact

AbstractWhilst lithopanspermia depends upon massive impacts occurring at a speed above some limit, the intact delivery of organic chemicals or other volatiles to a planet requires the impact speed to be below some other limit such that a significant fraction of that material escapes destruction. Thus the two opposite ends of the impact speed distributions are the regions of interest in the bioastronomical context, whereas much modelling work on impacts delivers, or makes use of, only the mean speed. Here the probability distributions of impact speeds upon Mars are calculated for (i) the orbital distribution of known asteroids; and (ii) the expected distribution of near-parabolic cometary orbits. It is found that cometary impacts are far more likely to eject rocks from Mars (over 99 percent of the cometary impacts are at speeds above 20 km/sec, but at most 5 percent of the asteroidal impacts); paradoxically, the objects impacting at speeds low enough to make organic/volatile survival possible (the asteroids) are those which are depleted in such species.

Organic Syntheses During the Impact of a Comet with a Gaseous Planet

1997 ◽  
Vol 161 ◽  
pp. 189-195
Author(s):  
Cesare Guaita ◽  
Roberto Crippa ◽  
Federico Manzini
Keyword(s):  
Polymeric Material ◽  
Molecular Form ◽  
Parent Compound ◽  
Blue Filter ◽  
Organic Syntheses ◽  
The Impact

AbstractA large amount of CO has been detected above many SL9/Jupiter impacts. This gas was never detected before the collision. So, in our opinion, CO was released from a parent compound during the collision. We identify this compound as POM (polyoxymethylene), a formaldehyde (HCHO) polymer that, when suddenly heated, reformes monomeric HCHO. At temperatures higher than 1200°K HCHO cannot exist in molecular form and the most probable result of its decomposition is the formation of CO. At lower temperatures, HCHO can react with NH3 and/or HCN to form high UV-absorbing polymeric material. In our opinion, this kind of material has also to be taken in to account to explain the complex evolution of some SL9 impacts that we observed in CCD images taken with a blue filter.

Hydrogen Cyanide Polymers from the Impact of Comet P/Shoemaker-Levy 9 on Jupiter

1997 ◽  
Vol 161 ◽  
pp. 179-187
Author(s):  
Clifford N. Matthews ◽  
Rose A. Pesce-Rodriguez ◽  
Shirley A. Liebman
Keyword(s):  
Amino Acids ◽  
Solar System ◽  
Hydrogen Cyanide ◽  
Nitrogen Heterocycles ◽  
Laboratory Studies ◽  
Heterogeneous Solids ◽  
The Many ◽  
Comet Halley ◽  
The Impact ◽  
By Products

AbstractHydrogen cyanide polymers – heterogeneous solids ranging in color from yellow to orange to brown to black – may be among the organic macromolecules most readily formed within the Solar System. The non-volatile black crust of comet Halley, for example, as well as the extensive orangebrown streaks in the atmosphere of Jupiter, might consist largely of such polymers synthesized from HCN formed by photolysis of methane and ammonia, the color observed depending on the concentration of HCN involved. Laboratory studies of these ubiquitous compounds point to the presence of polyamidine structures synthesized directly from hydrogen cyanide. These would be converted by water to polypeptides which can be further hydrolyzed to α-amino acids. Black polymers and multimers with conjugated ladder structures derived from HCN could also be formed and might well be the source of the many nitrogen heterocycles, adenine included, observed after pyrolysis. The dark brown color arising from the impacts of comet P/Shoemaker-Levy 9 on Jupiter might therefore be mainly caused by the presence of HCN polymers, whether originally present, deposited by the impactor or synthesized directly from HCN. Spectroscopic detection of these predicted macromolecules and their hydrolytic and pyrolytic by-products would strengthen significantly the hypothesis that cyanide polymerization is a preferred pathway for prebiotic and extraterrestrial chemistry.

Unusual Microstructure in Shock-Compacted Graphite

1970 ◽  
Vol 28 ◽  
pp. 474-475
Author(s):  
Lucien F. Trueb
Keyword(s):  
Mechanical Characteristic ◽  
Compression Wave ◽  
Gray Zone ◽  
Flyer Plate ◽  
Compacted Graphite ◽  
The Impact

Crushed and statically compressed Madagascar graphite that was explosively shocked at 425 kb by means of a planar flyer-plate is characterized by a black zone extending for 2 to 3 nun below the impact plane of the driver. Beyond this point, the material assumes the normal gray color of graphite. The thickness of the black zone is identical with the distance taken by the relaxation wave to overtake the compression wave.The main mechanical characteristic of the black material is its great hardness; steel scalpels and razor blades are readily blunted during attempts to cut it. An average microhardness value of 95-3 DPHN was obtained with a 10 kg load. This figure is a minimum because the indentations were usually cracked; 14.8 DPHN was measured in the gray zone.

Drug Induced Changes in Cell Organelles

1968 ◽  
Vol 26 ◽  
pp. 110-111
Author(s):  
Sarah A. Luse
Keyword(s):  
Clinical Medicine ◽  
Cell Organelles ◽  
Riboflavin Deficiency ◽  
Drug Induced ◽  
New Era ◽  
Health And Disease ◽  
In The Beginning ◽  
Cellular Pathology ◽  
Induced Changes ◽  
The Impact

In the mid-nineteenth century Virchow revolutionized pathology by introduction of the concept of “cellular pathology”. Today, a century later, this term has increasing significance in health and disease. We now are in the beginning of a new era in pathology, one which might well be termed “organelle pathology” or “subcellular pathology”. The impact of lysosomal diseases on clinical medicine exemplifies this role of pathology of organelles in elucidation of disease today.Another aspect of cell organelles of prime importance is their pathologic alteration by drugs, toxins, hormones and malnutrition. The sensitivity of cell organelles to minute alterations in their environment offers an accurate evaluation of the site of action of drugs in the study of both function and toxicity. Examples of mitochondrial lesions include the effect of DDD on the adrenal cortex, riboflavin deficiency on liver cells, elevated blood ammonia on the neuron and some 8-aminoquinolines on myocardium.

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