Psychology

What are the three types of research design?

The scientific method of researching means that...

• collection of empirical evidence

• a systematic approach to planning

• replication

• all of the above are correct

A psychologist did an experiment to see if different teaching methods affected people's scores on a math test. In this example, scores would be the ____________ variable.

• independent

• dependent

• extraneous

• random

Psychology can be defined as....

• study of personality

• examination of unconscious patients

• scientific study of behaviours and its causes

• a study of people's mental life

After Zoe participates in a study to look at how stress affects memory, the researcher explains the findings and the supports available if any short term or long term effects are experiences. This explains the process of...

• reporting and debriefing

• debriefing

• obtaining informed consent

• establishing external validity

A child throws a tantrum in a local shopping centre because his mother refuses to purchase him his favourite ice-cream. After a few minutes of screaming and after receiving a few concerned looks from other shoppers, the mother decides to purchase her child the ice-cream.

Use the Biopsychosocial model to explain the behaviour of the mother and/or the child.

In the 1960's, Milgram set up an experiment to investigate obedience to authority. Forty males aged between 20 to 50 years were recruited through a newspaper advertisement to participate in a study on the effect of punishment on learning. They were paid $4.50 per hour. The participants (teachers) were instructed to administer an electric shock each time the learner gave an incorrect answer. The level of shock increased each time the learner was incorrect. The teacher could not see the learner, but could communicate through a microphone. Milgram reported that 65% of the "teacher" participants continued to obey the experimenter until they reached the highest shock level. Discuss 2 ethical issues related to this study, give reasons why it was unethical.

An experiment was conducted on the effect of sleep deprivation on children aged 10 to 15. Children were allocated to Group A or Group B. Group A were allowed to sleep normally. Group B were kept awake all night by doing a variety of tasks. The next morning, each group did a series of tests and were asked to rate their performance. Give one reason why this is described as an experiment.

What is the independent variable in this experiment?

Identify the subjective data collected.