The advantage of in-person interviews, as conducted in this study, is its flexibility. The data was collected through the interviews conducted to a random sample of 28 kin and 11 non-kin foster homes. Variables were measured using effect statistics such as correlations, relative frequencies and differences between means. Experimental precautions were taken to ensure that the subjects come to no harm. Thus, none were harmed. Moreover, the selection of the research topic was not a result of a disputed issue in favour of one party. The estimated results are less likely to turn out to be biased because the subjects were randomly assigned and chosen.
In line with this, the operationalized concepts used in the data collection or analysis was empirically measurable. Measurable, for we were able to evaluate the ordinal measurements of the age of the children in kin and non-kin homes, the quality of care that they receive from the providers, how they are disciplined and the kind of shelter and neighbourhood they live in. The kind of evidence offered for the construct validity of the operationalization is for the social services agencies to develop small discretionary funding sources for social workers to use in case of emergency.
In these cases, funds are used for aids such as fire extinguishers, smoke detectors, fireplace screens, first aid kits and earthquake kits, as well as to engage kinship foster parents in foster parent training sessions, and to include information about appropriate disciplinary techniques for the children. The study is ecologically valid since the researchers could not possibly exert some control over them, given their environment. Thus, the results are verifiable via several empirical tests.
The use of tests of statistical significance was implemented in the study. “ These tests have been developed to ascertain whether the results obtained by data analysis are statistically significant, that is, whether they are meaningful and not merely the result of chance” (De Vos, 2002:244). Based on a research study, the results obtained were statistically significant.
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