Brian wants to study how toddlers tackle difficult situations by themselves in their parents' absence. while observing the children in a playground, brian timmy, a two-year-old toddler, tie his shoe lace. this is an example of:

The correct answer is b) Experimenter bias.

Explanation:

The experimenter's bias is the research bias found in studies where the person in charge of the investigation unconsciously intervenes in the results or partially influences the participant.

In research, it is difficult for scientists not to be influenced by their emotions or prejudices, so the experimenter's bias is presented. This bias can be done at any stage of the study.

For example, it is difficult for Brian not to intervene and tie the shoelace to the child, although his study is to see how children addressed difficult situations, Brian for his intervention performed the experimenter's bias.

I hope this information can help you.

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