Answer: Wendy did not use random assignment
Explanation: Wendy's failure to randomly assign participants or subject to his research will pose a threat to the internal validity of his study. The internal validity of a study simply refers to the structure of an experiment and it's trustworthiness in establishing causal relationship between the applied treatment used a study and the observed outcome. Wendy's decision to ignore random assignment and opt for a manual assignment of subject to each treatment will pose a threat to the structure of his study and hence the establishment of a causal relationship between the treatment t and outcome of the study.
Answer:
espiki spanich ehhh englesh
Explanation:
Answer:
informed consent
Explanation:
Informed consent: The term informed consent refers to the process of ensuring that the client, research participants, and patients are aware of all the possible costs and risks associated with the procedure of research or treatment. An informed consent will be considered valid only when the participants are competent and voluntarily provided with the consent.
Informed consent is given to the participants before the initiation of particular research and therefore a participant can withdraw from the research anytime he or she wants to withdraw.
