Chaney et al - Asthma Spacer Device to Improve Compliance in Children

Tadi Kativhu
Mind Map by Tadi Kativhu, updated more than 1 year ago
Tadi Kativhu
Created by Tadi Kativhu almost 6 years ago
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AS - Level Law Mind Map on Chaney et al - Asthma Spacer Device to Improve Compliance in Children, created by Tadi Kativhu on 01/11/2016.

Resource summary

Chaney et al - Asthma Spacer Device to Improve Compliance in Children
  1. A Pilot Study
    1. Research Method
      1. A field experiment, conducted in the participants' home settings in Australia
        1. More ecologically valid as the participants are in their own enviornment, where they would usually take their asthma medication; at home
          1. There are more extraneous variables as the participants are in their own home and not in a controlled environment
          2. Repeated Measures Design
            1. This allows the researchers to show a clear comparison and analysis between the compliance of children with the two asthma devices
              1. Less participants needed than in independent measures design
                1. Excludes individual differences
                2. More chances of order effects as the children are using both inhalers
                  1. Demand Characteristics as the participants use both inhalers (see both conditions)
              2. Sample
                1. 32 Children
                  1. 22 Male, 10 Female
                    1. Gender Bias - reducing the population validity
                    2. Age Range: 1.5 Years to 6 Years
                      1. Mean age 3.2
                        1. Average duration of asthma 2.2 Years
                        2. The children's parents provided informed consent and also participated in the study through completing questionnaires and taking part in a phone interview.
                          1. Children were too young to give their own consent. The fact that the parents gave consent makes Chaney's study ethically sound, as there is a lack of deception, and the study is also confidential
                        3. Random Sampling
                          1. Random sample of asthmatic children who had been prescribed drugs delivered by PMDI and Spacer (pressurised metered dose inhaler)
                            1. Recruited from Clinics across a large geographical area
                              1. Increases the population validity
                            2. Process of selection is unbias and fair, as everyone has an equal chance of being chosen
                              1. Has a chance of producing a bias sample, as it is completely random
                            3. Experimental Design
                              1. Independent variables
                                1. Whether the child used a standard/small volume spacer device - The Breath-a-Tech
                                  1. Whether the child used a Funhaler
                                  2. Dependent Variable
                                    1. The amount of adherence to the prescribed medical regime
                                  3. Quantative Findings
                                    1. Given in numerical form such as the numbers of asthmatic children and their parents who administered medication on randomly checked days
                                      1. Easy to Directly and objectively compare the use of each device
                                        1. Lack of Depth and detail about the compliance of children with the medication
                                        2. Procedure Details
                                          1. The children's parents gave informed consent and completed a structured close question questionnaire, with an interviewer about the child's current asthma device
                                            1. The participants were asked to use a funhaler instead of their normal PDMI space inhaler, without further instructions, except that parental guidance was required
                                              1. The Funhaler incorporated the standard PDMI inhaler and spacer, along with an additional attachment which included incentive toys, such as a spinning disc and whistle. These were designed to distract the children from the drug delivery event and to encourage and reward deep breathing patterns (required for effective delivery of medication
                                                1. This was a form of operant conditioning - Self reinforcement as the use of device rewarded the user, requiring no external reinforcement/encouragement from doctor or parent.
                                                  1. After this time, parents completed a matched item questionnaire on the funhaler. The researchers also conducted a random check via telephone checking on participants to find out whether they had attempted to educate their child the day before
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