Flashcards in ethics and experimental design Deck (17):
What is a Confederate?
Sometimes the IV in an experiment involves the use of a person. A Confederate is an individual in an experiment who are not real participants and have been instructed how to behave five experimenter
How would you conduct a pilot study
A pilot study is a small scale trial run of a research design before doing the real thing it is done in order to find out if certain things don't work so you can correct them before spending time on the real thing
What is the Stroop effect
What is a debrief
This involves telling a participant the true aims of the study giving them a chance to discuss any psychological harm they may have experienced a nasty participants feedback about the experiment
What is a confounding variable?
It is something that may influence the dependent variable
What is an independent groups design?
There are two groups of disciplines and the analysis involves comparing measures from two groups of
Name one advantage of doing a matched pairs designed
You can control some participant variables and order effects are not a problem
Letters ABBA in research design are used for what purpose
To counterbalance for order effects
What is a random sample
Names simply drawn from a hat example
What is the disadvantage of a repeated measures design?
There may be order effects
Name three measures of central tendency
Mode mean and median
Name two measures of dispersion
Range and standard deviation
What is standard deviation?
A measure of dispersion that shows the amount of variation in a set of schools it assesses the spread of data around the mean
What is a single blind design
A type of research design in which the participant is not aware of the research aims and/or which condition of the experiment they are receiving
What is the weakness of an independent group design?
There is no control of participant variables i.e. the different abilities or characteristics of each participant
How do you address the weakness of an independent group design?
You randomly allocate participants to conditions which theoretically distribute participant variables evenly and you recognise that you need twice as many participants