“Fully Analysing the Statistical Data for Experiment 1 Analyse fully the data for ONE of the experiments below. Use any statistical methods which you have been taught on PSY233 (or other modules) and which you feel are appropriate. Write up the analysis in the style of (statistical) Methods, Results and Conclusions sections from a journal paper. In the Conclusions sections, comment on the design of the experiment and whether it could have been improved.”

An experiment was conducted over one month to investigate the effectiveness of three teaching conditions in reducing disruptive behaviour amongst 120 disorderly school children (60 males and 60 females) of ages between 12 and 15.  The three teaching conditions were condition A (ignored), condition B (publicly reprimanded) and condition C (privately reprimanded).

The experiment implemented a two-way design using the following two factors:  Gender, which held the two levels male and female; and teaching condition, which held the three levels condition A, condition B and condition C.  A between-subjects design was used so that groups of 20 participants were tested under different conditions, e.g. 20 female participants were tested under condition A.  In this way the two factors were crossed throughout the experiment, with each le…(short extract)