Dr. Henderson conducted a study monitoring the anxiety levels of 24 participants undergoing systematic desensitisation for a severe fear of flying (aerophobia). She used a calibrated electronic heart rate monitor to record each participant's beats per minute (bpm) at the exact moment they completed each level of their fear hierarchy.
Explain one strength of Dr. Henderson's study in terms of reliability.
205 exam-style questions on Edexcel A Level Psychology Content, covering Main features of classical conditioning, Pavlov (1927) salivation in dogs, Main features of operant conditioning, Properties of reinforcement, Behaviour modification and shaping, Main features of social learning theory, Social learning stages, Bandura (1961, 1963) Bobo doll experiments, Bandura (1965) vicarious reinforcement, Learning theories and phobias, Treatments for phobias, Individual differences, and Developmental psychology. Each one has a worked solution and a mark scheme showing where the marks go.