Research Methods: Experiments/Experimental Methods/Experimental Designs
Quiz by Amie Harris
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38 questions
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- Q1What is the correct definition of validity
The consistency of my measure, allows me to achieve consistent results.
The accuracy of my measure, allows me to achieve accurate results.
30s - Q2What term is used to describe when a researchers expectations influence how they set up the study and behave towards the participantshawthorne effectdemand characteristicsresearcher bias/Investigator effectinterviewer effects30s
- Q3What key term refers to the variable that is measured?dependent variablerecordingoperationalisationindependent variable30s
- Q4Which of the following is an advantage of a field experiment research method
high ecological validity
has high reliability and standardisation
has high control of extraneous variables
30s - Q5What hypothesis predicts the direction of a result?alternate hypothesisnull hypothesisdirectional hypothesis/one-tailednon-directional hypothesis/two-tailed30s
- Q6What is the name of an additional variable that COULD have an effect an the DV?controlextraneousIndependentexternal30s
- Q7What term is used to describe an experiment where the IV already exists within the participants and has no direct manipulation by the researcher?observationquasi experimentfield experimentlab experiment30s
- Q8Which of the following is an advantage of an opportunity sample?
collects a highly representative sample
useful if you want to collect participants with similar characteristics
has no issues with researcher bias
30s - Q9What term is used to describe when the results can be confidently said to apply to a real life setting.external reliabilityecological validityinternal validityinter-rater reliability30s
- Q10Which of the following is a disadvantage of matched pairs experimental design?participants are more likely to work out the aim of the studyselecting participants can be time consumingorder effects may be present30s
- Q11Which of the following is an advantage of a lab experiment?high control of extraneous variables
increased ecological validity
can observe real behaviour of participants in a natural setting30s - Q12What term is used to describe an experimental set-up involving two groups of participants where one group experiences one of the conditions and a different group does the other condition?repeated measures designmatched pairs designindependent measures designdependent measures design30s
- Q13The following IV is fully operationalised in this hypothesis: chocolate will have an effect on the amount of hours sleep a participant has.falsetrue30s
- Q14Which statement reflects a non-directional hypothesis?males are more accurate in judging the speed of a car than femalesto investigate whether there is a gender difference in judging the speed of a carthere is an effect on the accuracy of judging the speed of a car (mph) between males and femalesfemales are more accurate in judging the speed of a car than males30s
- Q15An experiment investigated whether close proximity to strangers increased heart rate. The DV would be:the strangersthe participantsproximity distanceheart rate30s