COMPLETE QUESTIONS AND ANSWERS
PASSED A+
◉ Advantages of survey research.
Answer: cheap, fast, get to a wide range of people
◉ Define correlation and be able to identify an example of a strong
or weak one.
Answer: a measure of the direction and strength of the relationship
between two variables (measured between 1 and -1 the closer to
either, the stronger the relationship)
◉ control group.
Answer: a group that experiences all experimental procedures with
the exception of exposure to the independent variable
◉ Why do we use random assignment.
Answer: to lower bias and increase objectivity. equal chance of being
placed into a group.
◉ Know limitations in an experiment.
, Answer: just be able to read them and identify weaknesses
◉ What are the drawbacks of longitudinal studies.
Answer: expensive and time consuming-researches must be weary
of weather those who remain in study still comprise a representative
sample due to people moving or stopping
◉ reliability vs validity.
Answer: reliability says we can expect the same results each time,
validity is measuring weather the measure measures the concept it
was designed to measure
◉ Genotype vs phenotype.
Answer: Genotype is genetic makeup/profile of alleles; phenotype is
observable characteristics
◉ When will a recessive allele be expressed.
Answer: When they are homozygous recessive
◉ Difference between dominant and recessive.
Answer: Dominant will determine phenotype in either homozygous
or heterozygous condition; recessive will only produce it in a
homozygous condition