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Guidance for planning effective data collection in research, focusing on strategies to ensure reliability and validity, as well as minimizing ethical issues when using participants. It includes examples and activities for experiment design, sampling methods, and identifying independent and dependent variables.
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Make sure your plan and any materials you need are ready Remember to ask permission before disrupting a lesson How will you make sure you work ethically? How do you know you are collecting reliable and valid data? How will you record the data? Everyone needs a table!! BATs Work together effectively to collect reliable and valid data for your planned study Plan and employ strategies to minimise ethical issues when using participants (C - apply)
Put data in a neat table and continue with your presentation prep BATs Work together effectively to collect reliable and valid data for your planned study Plan and employ strategies to minimise ethical issues when using participants (C - apply)
In your group discuss 2 things that went well today Now discuss 2 things that could have been done more effectively and think of a solution. Share with another group - Did you have the same difficulties? BATs Work together effectively to collect reliable and valid data for your planned study Plan and employ strategies to minimise ethical issues when using participants (C - apply)
Null Hypothesis A prediction that the independent variable will have no effect on the dependent variable
Write a Null Hypothesis for each of these
Researchers can’t possibly look at EVERYONE so they select a SAMPLE of people that will REPRESENT the POPULATION they want to study (for example; students under 15, obese Men, mothers......)
Sampling Methods/techniques Opportunity Sampling Sample = who is available & willing Random Sampling Sample = every member of target population has equal chance of being chosen Stratified Sampling Sample= made up of sub- groups representing each strata of target population Systematic Sampling Sample = members of target population chosen by a system e.g. every 5 th person on list
CONDITION(S)
Experiment Design Independent Groups
