Answer:
reliable, valid
Explanation:
Reliability and validity are concepts in measurement. Reliability has to do with the degree to which an instrument can produce consistent results when it is used repeatedly over time. Validity, on the other hand, indicates the extent to which the instrument measures its intended measurement. The scale can be reliable but not value as it still produces results, though inaccurate.
Answer:
0.146
Explanation:
Cohen's d= (mean of experimnetal group- mean of control group)/ Standard deviation
Cohen's d= (8-7.4)/4
= 0.146
We all pay taxes to keep these programs active. so yes, we all pay for these programs.