Hypotheses

• Experimental or Null Hypothesis

• IV & DV• One-tailed & Two-Tailed

Aim:

OA general statement about what the research intends to investigate

OThe research’s purpose

Hypothesis:

OSpecific & precise statement about the outcome of research.OIt is testable.OIt states a prediction about the outcome of certain conditions.OIt can be accepted or rejected to show the outcome.

Which of the 2 statements is an aim and

which is an hypothesis?

O Dr Young thinks that children who have a daytime nap will show better recall of images than children who do not have a daytime nap.

O Dr Young is interested in investigating whether sleeping during the day affects learning in pre-school children.

Task

OFrom the following hypotheses decide if it is an:

1.Experimental or Null Hypothesis2.IV & DV3.One-tailed or two-tailed

hypothesis

OTime of Day affects alertness

OSocial class has no effect on IQ scores

ODrug A increases anxiety

OBulls will charge more often when presented with a red rag than when presented with a blue rag