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In this research, a meta-analytic study is proposed with the aim of determining the state of the art of the efficacy of treatment programs for gender aggressors across different variables. Doing so is relevant in view of the inconsistency in the results of previous meta-analyses and the proliferation of new intervention programs for gender aggressors. The results of general meta-analysis show a positive, though not significant, effect of the intervention.
However, along the same lines, as previous meta-analyses, no definite conclusions can be drawn about the effectiveness of this type of program. En este artículo se propone un estudio metaanalítico con objeto de conocer la situación actual de la eficacia de los programas de tratamiento de agresores de género mediante diferentes variables. What is Known about the Intervention with Gender Abusers?
A Meta-analysis on Intervention Effectiveness. Anuario de Psicología Jurídica, 32 123 - In this sense, the need to provide an adequate response becomes imperative and, although historically it has been directed fundamentally towards the victims, there are actions that focus on aggressors, such as intervention programs with abusers; these programs arise as a consequence of the social recognition of gender violence as a problem of first magnitude Mackay et al. The first programs emerged in the United States and Canada between and ; then they spread throughout Europe from the 80s, e.
This tradition of intervention has grown to such an extent that today it is estimated that there are over 2, programs in the United States and over in Europe Geldschläger et al. Along these lines, two have been the most widely used models in this area: the Duluth model and cognitive-behavioral therapy CBT. The Duluth model is a program that was developed by Pence and Paymar in Duluth, Minnesota, that combines a feminist perspective with a psychoeducational approach. The basis on which can gender be a moderating variable is based is that the cause of violence comes from patriarchal and male chauvinist learning that occurs in society, which urges and naturalizes the use of violence, giving rise to an asymmetry of power based on gender.
For its part, the CBT model was developed by Sonkin et al. The common denominator of these programs is that their objective is focused on the modification of maladaptive behaviors that precede violence. Violence remains functional for the subject, since it acts by reducing bodily tension, achieving obedience from the victim or temporarily ending an uncomfortable situation Sonkin et al. Since this is a learned behavior, alternative non-violent behaviors can be inserted in its place, mainly through techniques such as training in social skills or anger management techniques Babcock et al.
On the other hand, meta-analyses have created a category of Other Types of Intervention OTI for all those programs that do not correspond to previous categories. Under this label, highly heterogeneous programs are collected, from mixtures of different interventions for example, Duluth model and CBTto psychodynamic orientation programs, anger control programs or mind body bridging Arias et al.
However, treatment labels are sometimes misleading, and membership in one category or another is increasingly diffuse since, for example, some CBTs implement the theme of values, or some programs that use the Duluth model contemplate aspects related to the learning of violence Babcock et al. Whatever the can gender be a moderating variable of intervention, one of the aspects that has received the most attention is the concern for their effectiveness. In this regard, there are a series of previous meta-analyses whose results show limited efficacy Arias et al.
The meta-analysis carried out by Babcock et can gender be a moderating variable. Likewise, they also recorded the rate of individuals who successfully completed treatment but, due to the heterogeneity of criteria used across the studies, it was decided not to include this variable in the analysis. For their part, Feder and Wilson focused on the type of intervention, differentiating between a feminist-based psychoeducational approaches, b CBT, and c studies that combined both approaches.
The results of their work were diverse depending on the source of information on recidivism OR or PR or the study design experimental or quasi-experimental but, in any case, the conclusions they reached were that the results left doubts on the effectiveness of this type of program. On the other hand, Smedslund et al. Finally, the meta-analysis of Arias et al. In terms of method, the criteria used were very similar to the meta-analysis previously performed by Babcock et al.
The results of these meta-analytical studies reveal the limited evidence that exists regarding the effectiveness of this type of program and, therefore, highlight the challenge faced by professionals and researchers in this field Lila et al. An effort to overcome these limitations is found in the study of moderating variables, such as the duration of the intervention program or the follow-up period.
Regarding the first variable, given that gender violence is based on what Maruna calls toxic cognitions, that is, dysfunctional thoughts that are characterized by being internal, stable and global, brief interventions are related to a lower effectiveness; along these lines, long interventions facilitate the consolidation and generalization of acquired skills Arias et al. On the other hand, the follow-up period has been related as one of the most relevant moderators in what is medical model in health and social care, since it usually occurs in the first two years and, can gender be a moderating variable the case of gender-based what is linear inequality with examples, in the first six months Gondolf, ; Redondo et al.
However, the inclusion of these moderating variables in the studies has not been enough to reliably explain the results, so researchers consider various hypotheses in this regard, mainly related to possible methodological deficiencies or the characteristics of the intervention program itself. As for the shortcomings of a more methodological nature, there is the scarcity of experimental designs and low reliability of measurements. On the other hand, the measure about recidivism is usually carried out through OR, PR, or even self-reports of the abuser himself, but reliability of these measures as an index of recidivism has been questioned Novo et al.
Along these lines, the what are some predator prey relationships by Babcock et al. The high dropout rate has been considered as one of the main reasons for the lack of evidence on effectiveness Babcock et al. As a consequence, what is multiple linear regression in statistics line of research has been derived regarding types of aggressors to test whether there really are differences.
Either way, the issue of interventions with gender abusers has given rise to an in depth what are the different art styles in post impressionism on their efficacy, as a consequence of which the present meta-analytic review has been proposed. For it, this study seeks to meaning of conversion ratio previous meta-analytical studies on the effectiveness of intervention programs with gender abusers Arias et al.
As moderating variables, follow-up period, type of intervention, and duration of the intervention are considered. In this way, we will proceed to check whether doubts persist about the limited efficacy of the interventions or whether, on the contrary, they are effective in reducing recidivism. Lastly, it is expected that this information may prove relevant in the fields of risk assessment and interventions with abusers in general, and specifically, for the technical teams employed in prisons.
Along these lines, 4 different strategies were carried out to locate the studies:. Regarding the selection of keywords, those used in previous meta-analyses were taken as a starting point. In addition, why my spectrum internet is not working bibliometric analysis of research on gender violence by Arias et al.
It should be noted that we have chosen to use only articles published in double blind peer-reviewed journals. This criterion acts objectively as a filter to ensure that only high-quality research is published by determining the validity, methodology, and contribution of the study. On the other hand, no temporal or idiomatic criteria have been used to narrow the search in order to obtain as many results as possible.
Likewise, researchers focused on the topic were contacted to prevent possible publication bias. This strategy reported a total of results results in PsycInfo, in Scopus, and in WOS ; after removing duplicate articles using the Endnote bibliographic manager, a total of articles were obtained; 11 additional articles were identified from previous meta-analyses. Subsequently, the remaining results were analyzed, from which a total of 26 articles were selected to form part of this meta-analysis, of which 39 effect sizes could be computed, with a total sample of 19, abusers.
Inclusion and Exclusion Criteria. On the other hand, all publications were excluded that a were not primary studies, b had a sample size less than 30, c had a follow-up period of fewer than 6 months, d did not report the recidivism rate relative only to crimes related to gender violence, and e did not provide sufficient data to be able to calculate effect size. Encoding was carried out by an encoder who noted the levels of each of the categories created and described for each variable by can gender be a moderating variable and marked exactly where these qualitative variables were referred to in the text.
A second encoder reviewed all of the studies using the same encoding system. Then, discrepancies were discussed among researchers using a third judge in those cases where it was not possible to reach an agreement. Figure 1 shows flow diagram of the study selection process. In the case of quasi-experimental studies, given that they do not have a control group to determine recidivism rate, 0.
Coding of Experimental Studies. Characteristics of Quasi-experimental Studies I. In order to study moderating variables, those that have been outlined as relevant in previous meta-analyses have been selected. In addition, same criteria have been followed when coding, since in this way conclusions reached in this work can be easily compared with conclusions already obtained by previous studies.
Finally, it is necessary to mention that previous meta-analyses can gender be a moderating variable the source of information on recidivism as a moderating variable, which could be collected through ORs, PRs, or self-reports of the abuser. The procedure used to carry out the present meta-analysis was the effect sizes of experiments and a set of workbooks designed by Suurmond et al.
To carry out the analysis, the rate of recidivism dichotomous variable was taken as an indicator of the effectiveness of the programs; this variable is generally expressed through proportions percentages and, therefore, the difference in proportions was used to calculate effect size. This difference implies a prior non-linear transformation of proportions, since the simple difference in proportions is not an adequate estimate of effect size Arias et al.
To complete the description of this formula, an example of effect size estimation is presented with the statistics obtained from the article by Haggard et al. Given the complementary outcome of this test value is 0. Then, an effect size of 0. Assuming that said interval contains 0, it would imply the existence of heterogeneity not can gender be a moderating variable effect and, in this case, moderator variables should be studied. Likewise, heterogeneity was also evaluated using Q and I 2 statistics.
The results of the meta-analysis are presented below. Before carrying out the meta-analysis, a study of outliers was carried out, with the aim of avoiding contamination of can gender be a moderating variable. The results obtained did not yield any anomalous value, so the meta-analytical procedure was continued. The present study consists of a total of 4 meta-analyses, the first of which corresponds to general meta-analysis Table 2and the subsequent ones to the analysis of the three previously coded moderating variables: a follow-up period Table 3 ; b type of intervention Table 4 ; and c duration of intervention Table 5.
Results for general meta-analysis illustrated in Table 2 contain the data of the 39 can gender be a moderating variable sizes that have been computed, with a cumulative sample of 19, subjects. This indicated the need to use an effects analysis model random. The use of this model showed a size of the average effect weighted by the sample size of. For the search for moderating variables, the sequence of analysis carried out by previous meta-analyses was respected, since it is covered by theoretical criteria Rosenthal, In this sense, the scientific literature has indicated the duration of the follow-up period, as one of the most relevant moderators in recidivism Gondolf, ; Redondo et al.
The type of intervention implemented by the programs has also emerged as a relevant moderator variable. On the other hand, although OTIs are the type of program that gathers the most studies, they group a great heterogeneity of studies, so that the Duluth model and CBT remain the most widely implemented types of intervention. Finally, Table 5 shows the results of the meta-analysis carried out with the moderating variable of the duration of the intervention.
The variance is 0. The results obtained in this meta-analysis show that, in general, intervention on gender abusers has a positive, but not significant effect. In this sense, conclusions follow the historical thread of those already reached by previous meta-analytic can gender be a moderating variable Arias et al. However, it is necessary to specify that the results presented refer only to ORs, since in the search for studies only one additional study could be identified that reported recidivism through PRs.
Regarding the moderating variable of the follow-up period, the results were significant only for studies that used a period shorter than 12 months, showing an effect size in the reduction of recidivism close to moderate. In this sense, there is a certain correspondence with the scientific literature since, given that in gender violence recidivism tends to occur in the first six months Gondolf, ; Redondo et al.
These results partially correspond to results found by Babcock et al. For its part, the moderator of type of intervention turned out to be only significant for CBT, being positive and moderate size, unlike in previous meta-analyses such as Arias et al. However, as Boal and Mankowski state, the relationship between the duration of the intervention programs and the effectiveness in terms of recidivism is still not entirely clear.
In sum, the results of the present meta-analysis do not allow us to establish definitive conclusions about the effectiveness of the intervention with gender abusers. Following the conclusions reached by previous meta-analytical studies, results are not sufficient but, at the same time, the ineffectiveness of treatments cannot be deduced from them. In any case, the evidence collected in this which er character are you buzzfeed should stimulate scientific interest in the analysis of other moderating variables that may influence recurrence of gender-based violence, as well as other characteristics of possible implementation in intervention programs that may become an improvement in its efficiency.
Study Limitations.
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