Lesson 9: Data Collection

Saturday, 20 April 13

Lesson 8: Dementia and Alzheimers DiseaseEXAM QUESTION

Explain what is found in the brains of Alzheimer’s patients post-mortem.(4 marks)

Saturday, 20 April 13

Lesson 8: Dementia and Alzheimers DiseaseEXAM QUESTION

• Show high levels of the protein Amyloid which highly toxic – causes cell death and causes the development of the plaques and tangles (2 marks)

• Brains also have a massive lack of acetylcholine (an important neurotransmitter) (2 marks)

Explain what is found in the brains of Alzheimer’s patients post-mortem.(4 marks)

Saturday, 20 April 13

Lesson 9: Data Collection

Objectives

~ Define descriptive statistics ~ Define qualitative research~ Define quantitative research~ Distinguish between subject and objective data~ Describe the techniques of qualitative and quantitative data collection: case studies; observational studies; self-reports; questionnaires and interviews

Saturday, 20 April 13

Data Collection

Types of Data

Techniques

QualitativeQuantitativeSubjectiveObjective

Case StudiesInterview

QuestionnairesPsychological Tests

TechnologyCross-Sectional

Longitudinal

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Types of Data

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Qualitative: descriptions of characteristics

Quantitative: refers to measurements

Subjective: based on opinions

Objective: based on identifiable external criterion

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What type of data was collected??

Qualitative or Quantitative?

Objective or Subjective?

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Techniques

Saturday, 20 April 13

Case Studies: detailed observations of an individual over a period of time

Observation: Naturalistic - observing voluntary behaviours in natural environment

Controlled - observing voluntary behaviours in structured environment

Questionnaires: collecting written responses from participants

Longitudinal: same participant over a long period of time

Saturday, 20 April 13

Provide an example of each

Ask around room

Saturday, 20 April 13