Question

1. A scientist seeks to test the ability of a new glove to retain hear. The glove is randomly placed on one hand of each participant, and an older model of the same product is places on the other hand.

2. Child psychologist seek to determine the link between peer pressure and bullying. They conduct a survey of 5000 adolescents asking them how often they have been bullied or have bullied others.

are these are observational study or experiments or both or neither

Answer 1

In the observational study, the data is collected without disturbing the respondents, that is, by observing them, whereas in the experiment, the data is collected from the respondents after imposing some conditions to the respondents.

1. Experimental study because the ability of new glove is tested which requires the participants involvement and the placement of different gloves on both hands acts as control and treatment.

2. Observational study because no treatment or alternations are done in the opinions of the 5000 adolescents that were surveyed in order to determine the link between peer pressure and bullying.