A bar graph displays:

A hypothesis is:

A questionnaire is:

A good sample is:

Standardisation ensures:

Ethical guidelines ensure:

A control group is used to:

A hypothesis must be:

Analysis in research refers to:

A pie chart represents:

Mode refers to:

Variables in experiments are:

Interviews allow:

Controlled observation occurs:

A limitation of case studies is:

The first step in scientific enquiry is:

Experiments help in establishing:

Naturalistic observation occurs:

An experiment manipulates:

Median represents:

Replicability ensures:

Sampling means:

Confidentiality protects:

Case studies provide:

Dependent variable is:

Objectivity means:

Survey method is suitable for:

Descriptive statistics involve:

Informed consent ensures:

Mean is a measure of: