Research Methods
Name 3 sampling techniques
Random
Volunteer
Snowball
Opportunity
What was the experimental method in Loftus' and Palmers' research?
Lab Experiment
What year was Loftus and Palmers' research conducted?
1974
What is the name for the type of reliability that involves dividing a test into two parts and comparing scores on both parts of the test?
Split-Half
What was the experimental design of Loftus and Palmers research?
Independent Measures
45 undergrad Psychology students
150 undergrad Psychology students
University of Washington
What is the name given to data before any analysis is performed?
Raw data
What were the 5 verbs used in Experiment 1 of Loftus and Palmers research?
Give a weakness of Loftus and Palmers research.
Ecological validity
Sample
Not considered pre-event information
What type of a scale involves asking people to respond to a series of statements about something in terms of the extent to which they agree or disagree with them?
Likert
What was the aim of Loftus and Palmers research?
The aim of Loftus and Palmer’s (1974) study was to investigate the ways in which memory can be influenced by post-event information.
What were the 2 possible explanations Loftus and Palmer suggested for the results?
Response-bias factors - answer was influenced but no false memory.
The memory representation is altered - critical verb changed perception of the event and false memory created.
What is a semantic differential rating scale?
Selecting a point on a line with words that have opposite meanings at either end
Explain the differences between Experiment 1 and Experiment 2 in Loftus and Palmers research.
Experiment 1 - 5 verbs
Experiment 2 - 2 verbs + control
- Different number of ppts.
What were the mean estimates of speed for each of the 5 verbs?
Smashed 40.5 mph
Collided 39.3 mph
Bumped 38.1 mph
Hit 34.0 mph
Contacted 31.8 mph