PSYCO105 Final: Psych 105 Notes

• School: University of Alberta
• Department: Psychology
• Course: PSYCO105
• Professor: Lisa Smithson

Document Summary

Explanation: variable - property whose value can vary across individuals or over time. Experiments: technique to establish causal relationship between variables. Null hypothesis (h0) no signi cant difference between groups. Alternative hypothesis (ha) signi cant difference between groups. Practical signi cance practical value in the real world. Error random variability in results: inevitable; cannot precisely control all variables that in uence behaviour, consequences tend to disappear with calculation of averages, can measure precisely (ie. standard deviation, reduces the chance of nding statistically signi cant results. Bias nonrandom (directed) effects caused by factor or factors extraneous to research. Wednesday, october 1, 2014 hypothesis: cannot be identi ed or corrected for statistically, leads to false conclusions that hypothesis has been supported when irrelevant factor has caused results. !7: respect for vulnerable person special procedures to ensure interests of vulnerable participants are protected, respect for privacy and con dentiality protect access, control and dissemination of.