Experimental Designs

Front

What is the initial conclusion drawn by Mike?

Back

That it is better to water a plant once a week

Tags

NGSS.MS-LS1-5

Front

Why is the conclusion that 'it is better to water a plant once a week' unfair?

Back

Because the plants were stored at different light levels

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

In scientific experiments everything needs to be constant, except ___________ variable

Back

One, 1

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

Front

Which of these is not an experimental design? Repeated Measures, Observation Groups, Independent Groups, Matched Pairs

Back

Observation Groups

Front

For the repeated measures design, one group of participants take part in both the control and _______________ tasks

Back

experimental

Front

Which of the following is not a positive of a repeated measures design?

• Participants may learn what the study is about and want to produce the right result
• Having the same participants means there are less variables
• There are less participants which means that the study may cost less.

Back

Participants may learn what the study is about and want to produce the right result

Front

Different ________________ are used in each group. This means that each participant does only one condition or performs one task.

Back

participants, participant, people

Front

In a matched participants design, there are two separate groups that are matched on important _______________?

Back

characteristics

Front

What type of experimental design is this? To compare the effectiveness of different psychotherapies for treating spider phobia, participants with a spider phobia are allocated to one of two treatment conditions or a control condition.

Back

Independent Groups

Front

What type of experimental design is this? To study the effects of an anxiety reduction medication, participants diagnosed with a phobia are tested before and after they are given the medication. Options: Independent Groups, Repeated Measures, Matched pairs.

Back

Repeated Measures