(20 points) when joshua went to the doctor for his allergy shot, the doctor rubbed alcohol on his arm, before he gave him his shot, now just the smell of alcohol makes him anxious. this can be explained by:

a: observational learning

b: classical conditioning

c: operant conditioning

d: discrimination

Doing a science fair project should i do cafeteria waste or solar power

Summarize the work of nobel prize winner roger sperry that is discussed in this article. (site 1)

Results of concept rating for new wine cooler rating of the appeal of the phrase as it relates to the new wine cooler total sample gender age male female 21 - 24 25 -34 35-49 extremely appealing (5) 151 68 83 48 63 40 somewhat appealing (4) 91 51 40 36 32 23 neither appealing nor not appealing (3) 36 21 15 9 16 11 somewhat unappealing (2) 13 7 6 4 6 3 not at all appealing (1) 9 3 6 4 3 2 quantity purchased per person in 4 weeks # of 6-packs purchased x # people who purchased 0 7 1 6 2 6 3 13 4 14 5 12 6 10 7 5 8 5 9 5 10 2 drinking temperature sample # temperature 1 52 2 46 3 50 4 42 5 52 6 50 7 39 8 44 9 49 10 39 11 47 12 46 13 43 14 52 15 49 16 47 17 49 18 52 19 50 20 47 21 49 22 38 23 57 24 49 25 49 26 57 27 45 28 58 29 54 30 44 what is the probability that a randomly selected 21 to 49 year old consumer is a males who gives the phrase a rating of 4?