Dr Naidoo has just discovered a new drug that produces schizophrenic-like side effects. Dr Naidoo’s drug may be acting on which of the following neurotransmitters?

A system of interrelated ideas used to explain a set of observations is called ______.

When designing an experiment, the purpose of random assignment is to ensure that ______.

Ben suffered a stroke recently, and now he constantly hears a buzzing sound in his ears. The stroke likely occurred in Ben’s _____ lobe(s).

The text’s unifying theme that ‘heredity and environment jointly influence behaviour’ is often referred to as describing the _____ issue.

Elsa is interested in the best way to study achievement among primary-school children, and she is also interested in the factors that underlie student motivation. Elsa would MOST likely describe her research interests as ______.

You are sitting on a park bench in a major city area from 7 a.m. to 7 p.m. and you note the number of people who walk by, whether or not they litter, and their gender. You are engaging in _______.

Mrs Smith, a psychologist at the university, believes that there is a relationship between academic standing and stress levels of students. She predicts that first year students are more stressed than final year students. Her prediction is a ______.

A cognitive psychologist wants to find out whether background noise makes it harder to remember new information. She manipulates whether or not participants hear background noise, and then measures their performance on a memory test. What is the independent variable?

Prieska is studying how college students’ marks relates to their scores on a written instrument that measures their levels of introversion/extroversion. This study uses which data collection technique?