AICE Psychology AS 1.1 Vocab on Experiments

A directional hypothesis predicts the direction of a relationship between variables

What is Independent measure design?

Operational definition is a description of a variable so it can be tested

result of participating in a study more than once

Participant Variables include

The Independent Variable is the factor being measured

protection from harm is where participants should be exposed to greater risk than they would expect in everyday life

Repeated measures design is where each P performs in every level of IV

Participants should not be deliberately misinformed

One or more situations in expt, representing different levels of the IV and are compared

What is random allocation?

Confidentiality is where participants results & personal info should be kept safe and not released outside the study

An experimental design is the way that participants are allocated in different levels of the IV

Counterbalancing is a way to overcome order effects

reliablity is

what is a pilot study?

what is a confounding variable?

what is a control condition

The Dependent Variable is the factor under investigation and manipulated

Hypothesis is a testable statement based on the procedure of an investigation

keeping the procedures and materials exactly the same between studies

An investigation allowing researchers to look for a causal relationship. IV manipulated, expected to cause change in DV

placebo is

Each P allocated to perform in different levels of the IV

what is the right to withdraw?

keeping the procedure for participants exactly the same

Alternative hypothesis is

what is matched pairs desgin?

what is a Lab experiment?

What is a practice effect

what is informed consent

What kind of Hypothesis? There is a difference between effectiveness of mind maps and revision apps in helping to learn

field experiment

Fatigue effect is where the participants performance declines because they do task more than once

generalize is when findings of a study can apply more widely

What is an Uncontrolled Variable

What are controls?

What kind of Hypothesis? There will be no difference btw revision apps and mind maps, any difference is due to chance

emotions and physical space should not be invaded

validity is the extent to which a researcher is testing what they claim to be testing

Features of an experiment that give away the aims of the study

ecological validity is