AS PSYCH - RESEARCH METHODS P2

What is a general statement describing what the study intends to investigate (usually devised from a theory)

• AIM

• HYPOTHESIS

"There is no significant difference in reaction times between participants who consume caffeine and those who do not."

What kind of hypothesis is this

• Null

• Directional

• Non-directional

"There is a significant difference in reaction times between participants who consume caffeine and those who do not."

What kind of hypothesis is this

• Null

• Directional

• Non-directional

"Participants who consume caffeine will have faster reaction times compared to those who do not consume caffeine."

What kind of hypothesis is this

• Null

• Directional

• Non-directional

"Participants who listen to classical music while studying will score higher on a memory test compared to those who study in silence."

What kind of hypothesis is this

• Null

• Directional

• Non-directional

Which experiment is carried out in a naturalistic setting but involves the manipulation of an IV, determining a cause and effect relationship between variables?

• Lab

• Field

• Natural

An __________ variable is an unwanted variable that affects the DV and does not vary systematically with the IV, adding error to an experiment

Which experiment has the least control of extraneous variables

• Lab

• Field

• Natural

What are the weakessess of a field experiment?

• Low ecologicaal validity

• Lesser control of extraneous variables

• Risk of investigator effects/demand characteristics

• Time consuming

______ _______________ are cues that might indicate the study aims to participants leading to participants performing artifical behaviours