Question One Flashcards
(14 cards)
What is a scientific experiment
A procedure is carried out to support or refute a hypothesis or determine the likelihood of something through testing
Quantitative data
Scientific experiments strengths
- Randomised controlled trial, random assign participants to groups reduce selection bias, ensure groups are comparable, increase validity, one group won’t have more anxiety than other
- Controlled environment, control variables, reduce confounding factors, more likely results are due to COMPASS, not external influences, establish clear relationship
Weaknesses of scientific experiments
- Short duration, 12 weeks, doesn’t reflect long term nature of anxiety, evolve over time, symptoms fluctuate
- Placebo effect, confound results, control groups believe they receive treatment, experience improvements, skew result,hard to assess effectiveness
What is a questionnaire
Consists of a set of questions designed to gather information from individuals on a certain topic
Likert scale - closed questions that require a limited response that fits into pre-decided categories
Quantitative
Questionnaire advantages
- Efficient, quick to complete, collect large amounts of data in a short amount of time, larger sample 194, representative of population
- Standardised, use fixed questions, participants response to same set of questions, response are consistent, easy to compare, reliable
Questionnaire Disadvantages
- Misunderstanding questions, may interpret questions differently, inaccurate responses
- Low response bias, may not complete questionnaire, lead to biased results, non-representative sample
What is quantitative data
Numerical information that can be measured and analysed statistically
Quantitative data strengths
- Clear and comparable results, compare different groups and conditions, ability to identify patterns
- Efficient, cost effective, gather large volume of data quicker, larger sample size, more representative
Quantitative data weaknesses
- Over-simplification of symptoms, relies on standardised questionnaires, fixed categories, lack of richness and complexity of anxiety and depression
- Culturally sensitive, may be experienced or expressed differently across cultures, single measurement tools may fail to account for difference
Volunteer sampling
Participants self-select to be part of the study in response to the social media post which are apart of long term health condition charities
Volunteer sampling strengths
- Increased willingness, more honest responses, especially on mental health, increased quality of data
- Ethical, ensures participants are aware of and choose to take part, important as its a sensitive topic
Volunteer sampling weaknesses
- Sampling bias, doesn’t represent wider population,volunteers interested in mental health, overrepresent those more open about mental health
- Over or underreport symptoms to align with expectations or to receive support, underreport due to stigma, distort accuracy of data
Funding
Funded by NIHR, official government group, likely to produce valid and reliable data, have genuine interest in healthcare research, no bias for either outcome
Question 1 Structure
- Intro, research focus, funding, why it’s good
- Scientific experiments, pros and cons, related to research, quantitative pros and cons
- Questionnaires, pros and cons, relate to research, quantitative
- Volunteer sampling, pros and cons, relate to research